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Answers posted by vijayalakshmi.r
Questions
1231
answers
9
best answers
0
votes
the tangent drawn at any point p to the parabola y^2=4ax mets the directrix
answered
Dec 25, 2017
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The line x-y+2 =0 touches the parabola y^2=8x at the point is
answered
Dec 25, 2017
From the given equation of the parabola, we can find the focus to be4a = 8, this implies, a = 2 The...
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votes
A line makes and angle theta both with x and y axes .A possible value the
answered
Dec 25, 2017
If O(0,0) be the origin then the triangle formed by the line with both the axes will be a right tria...
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Binomial theorem Show that the sum of the cofficent of the odd terms in
answered
Dec 25, 2017
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for what value of k will k+9,2k-1, and 2k+7 are the consecutive term of an
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Dec 25, 2017
2(2k-1) = 2k+7 + k+9 4k-2 = 3k=16 k = 18
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Find the side of an equilateral triangle inscribed in y square equals to 4
answered
Dec 24, 2017
https://clay6.com/qa/37168/an-equilateral-triangle-is-inscribed-in-the-parabola-y-2-4-ax-where-one-v...
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Example of three dimensional silicate is
answered
Dec 24, 2017
Albite, Anorthiteand orthoclase are examples of three dimensional silicates.
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Find the identity element for the binary operation * defined on Q -{0} as a
answered
Dec 23, 2017
https://clay6.com/qa/1661/the-identity-element-for-the-binary-operation-ast-defined-on-q-sim-as-a-as...
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A grating of width 15 cm has 6000 lines per cm. Find its resolving power in
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Dec 22, 2017
No: of lines = 6000 lines/cm Total No: of lines ruled in 15cm = 15 x 6000 = 90,000 = N Resolving p...
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three normal to the parabola y2=x through point (a,0) are drawn ,then
answered
Dec 22, 2017
Can you give the complete question?
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And how to find the centroid of the vertexes
answered
Dec 22, 2017
If (X1, Y1), (X2, Y2), (X3, Y3) be the vertices of the traingle, then its centroid is given by (X1+X...
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If E and F are two independent events and P(E)=1/3,P(F)=1/4 then find P(EUF
answered
Dec 22, 2017
If two events are independent, then P(E).P(F) = P(A intersection B) Hence P(A intersection B) = 1/3...
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Find the eccentricity of an ellipse of which distance between the focii is
answered
Dec 22, 2017
Given 2ae = 10, this implies ae = 5 and a/e = 15 Dividing one over the other, e^2 1/3 Therefore ...
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Prove that the volume of a largest cone that can be inscribed in a sphere i
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Dec 22, 2017
https://clay6.com/qa/558/prove-that-the-volume-of-the-largest-cone-that-can-be-inscribed-in-a-sphere...
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Which of the following equations represented parametrically , represents eq
answered
Dec 22, 2017
Can you give the correct options?
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Find the value of COSEC 765°
answered
Dec 20, 2017
cosec 765 = cosec(45 + 720) = cosec 45 which lies in the first quadrant. Hence cosec 45 = sqrt of 2...
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Name the quadrant swan abscissa and ordinate have opposite signs.
answered
Dec 20, 2017
The second or the fourth quadrant
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Find a relation between X and Y such that the point P(x,y) is equidistant f
answered
Dec 20, 2017
Let P (x,y) be the midpoint of AB Therefore AP = BP or AP^2 = BP^2 (x - 7)^2 + (y - 1) ^2 = (x - 3...
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What is the number of ways in which 6men can be arranged in a row so that
answered
Dec 18, 2017
The total no: of otcomes where 3 boys will sit together is 3! These three boys can be taken as a si...
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Find the area of a quadrilateral piece of ground one of whose diagonals is
answered
Dec 18, 2017
The quadrilateral can be divided into two triangles ABC and ACD Area of the triangle ABC = [1/2] x ...
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Each of these letters gets a numerical value based on its position in M K K
answered
Dec 18, 2017
The numerical value for A = 15 Numerical value for R = 25 Numerical value for M = 1 Hence t...
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what is called a three dimensional solid shape composed of a polygon
answered
Dec 18, 2017
A Polyhedron.
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Find the equation whose two rods are 1+5i and 5-i respectively
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Dec 18, 2017
The question is not clear. Can you give the correct question?
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which of the following is a bionomial?
answered
Dec 18, 2017
A binomial is a term which has only two terms Option D has only 2 terms, hence it is a binomial.
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Show that line whose vector equation is \( \overrightarrow r = 2\hat i - 2\
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Dec 17, 2017
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Polygon that have any portions of their diagonals in their exterior
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Dec 17, 2017
are called Concave polygons.
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Length of the latus rectum of the hyperbola xy=c^2
answered
Dec 17, 2017
Since, the transverse and the conjugate axes are the same, length of latus rectum = 2√2c&nb
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There are two concentric circles of radii 6cm and 4cm with centre O. If AP
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Dec 17, 2017
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2, 3,5,4,3,6,5,3,5,x,7 finds x if it's mode is 5
answered
Dec 17, 2017
If the mode is 5, then x should be 5
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A,B and C throws a die one after the other in the same order till one of th
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Dec 17, 2017
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μ0i/2R/μ0iR^2/2(R^2+9R^2)^3/2 how to divide this ans is 10root10
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Dec 17, 2017
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Find the distance of point(3,4,5) from y axis?
answered
Dec 16, 2017
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distance of point (7,-4) from y-axis
answered
Dec 16, 2017
The distance of a point from its y axis is its x coordiante Therefore the distance of the given poi...
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The electric dipole moment of an electric dipole made up of two opposite ch
answered
Dec 16, 2017
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Two vertices of a triangle are (1,4) and (5,2) its centroid is (0,-3) find
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Dec 16, 2017
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Find the centroid of the triangle whose vertices are (2,4) (6,4) (2,0)
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Dec 16, 2017
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A particle acted on by constant forces 4i+j-3k and 3i+j-k is displaced from
answered
Dec 15, 2017
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Show that a transpose a and a transpose they are both symmetrica for any ma
answered
Dec 15, 2017
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find the intercept on axes of a straight line passing through the point (1,
answered
Dec 15, 2017
Equation of the line passing through the points (1,-3) and (4,5) is [y-(-3)]/[5-(-3)] = [x-1][/4-1]...
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Q. An urn contains 3 red and 5 black balls. if two balls are drawn successi
answered
Dec 15, 2017
Proabaility of getting a red ball in the second draw is (5/8) x (3/7) = 15/56
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Verify Lagrange's mean value theorem for the following function: f(x) = (x-
answered
Dec 15, 2017
The question seems to be incomplete. can you give the complete question? the interval given is not c...
0
votes
Write the profit function
answered
Dec 15, 2017
If x represents the number of units sold, we will name these two functions as follows...
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votes
There are two bags. One bag contains 4 white and 2 black balls. Second bad
answered
Dec 14, 2017
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0
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Greeks emphasised on what reasoning
answered
Dec 11, 2017
Greeks emphasised on Deductive reasoning. That is by the method of proofs
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Which the value ofabsciss of all point lie on y axis
answered
Dec 11, 2017
when a point lies on Y- axis, the value of X will be zero
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Name and define the unit used for measuring the coefficient of mutual induc
answered
Dec 9, 2017
The SI unit of coefficient of mutual induction is Henry One Henry is when a current change at the r...
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One diagonal of a quadrilateral is 20 m long and the perpendiculars to it f
answered
Dec 9, 2017
Area of a quadrilateral = 1/2[20 x 11]+ 1/2 [ 20 x8.5] = 1/2 x 20 [ 11+ 8.5] = 195 sq units
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If one angle of a triangle is equal to the sum of the other two ,show that
answered
Dec 9, 2017
sum of the angles in a triangle is 180 deg x + x + y = 180 2x + y = 180 this implies 180 - y = 2x...
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If the median of 33,28,20,25,34,x is 29. Find the max value of x.
answered
Dec 4, 2017
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The area bounded by the curve y = x² − 1 & the straight line x + y = 3 i
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Dec 4, 2017
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