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Answers posted by vijayalakshmi.r
Questions
1231
answers
9
best answers
0
votes
if the imaginary part of (2z+1/iz+1) is -2, then show that the locus of the
answered
Feb 16, 2018
https://clay6.com/qa/38491/if-the-imaginary-part-of-large-frac-is-2-then-show-that-the-locus-of-the-...
0
votes
find the non zero integral solution of mod of (1-i) =2^x
answered
Feb 16, 2018
https://clay6.com/qa/38272/find-the-number-of-non-zero-integral-solutions-of-the-equation-1-i-2- fo...
0
votes
if z=x+iy and w=1-iz/z-i, show that mod(w)=1, z is purely real
answered
Feb 16, 2018
https://clay6.com/qa/37502/z-x-iy-and-omega-large-frac-then-omega-1-implies-that-in-complex-plane f...
0
votes
what happen when we put ex3x value by first time differtial equation
answered
Feb 16, 2018
The question seems to be unclear, can you give the clear question?
0
votes
If the circumference of one circle is 7 times the circumference of the othe
answered
Feb 6, 2018
Let 2piR = 7(2pir) This implies R = 7r Hence the area is piR^2 = pi r^2 pi(7r)^2 = pir^2 49:1
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votes
What will be the effect on the length of a day of ice on the poles of the e
answered
Feb 2, 2018
It will decrease the time period because the mass of the earth and also its radius will decrease, ht...
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votes
Find the base of a triangle whose area is 0.48dm and altitude is 8cm
answered
Feb 2, 2018
Given Area of the triangle = 0 . 48 dm^2 Altitude h = 8cm = 0.8 dm Therefore the base of the tr...
0
votes
A vehicle moving with a speed of 18 kilometer per hour covers how much dist
answered
Feb 2, 2018
speed of the vehicle in one second is For 3600 seconds , the distance covered = 18km Therefore the...
0
votes
What is Q value of a nuclear reaction
answered
Feb 2, 2018
The Q value in a nuclear reaction is the amount of energy released in that reaction. this value rela...
0
votes
Find the volume of cuboid whose length is 10cm,breadth is 8cm and height is
answered
Feb 2, 2018
Volume of a cuboid = length x breadth x height = 10 x 8 x 4 = 320 cubic centimeters
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votes
A ladder 26m long reaches the top of a house which is 10m above the ground
answered
Jan 31, 2018
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votes
Write the co ordinates of point : 1) whose ordinate is -7 & which lies on
answered
Jan 30, 2018
The point which has Ordinate -7 and lies on y- axis is (0,-7) The point which lies on both X-axis a...
0
votes
find the eccentricity of ellipse if the length of minor axis is equals to h
answered
Jan 30, 2018
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find the eccentricity of ellipse if the length of the minor axis is equals
answered
Jan 30, 2018
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votes
The angle between the diagonals of two faces of a cube through a vertex?
answered
Jan 30, 2018
Let x be the angle between the points (1,1,1) and (0,0,1) Hence cosx = a.b / |a||b| = (1,1,1).(0,0...
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votes
An equation y=-√3x makes an angle with positive x- axis in anti clock wis
answered
Jan 30, 2018
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0
votes
dy\dx=(x-4)y^4\x^3(y^2-3)
answered
Jan 30, 2018
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votes
Suppose that vector a, vector b and vector c are the position vectors of ve
answered
Jan 29, 2018
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votes
The electrical intensity inside a charged hollow sphere is
answered
Jan 29, 2018
The electrical intensity iside a charged hollow sphere is zero.
0
votes
If two cubea of dimension 2cmby 2cmby2cm are placed side by side. What woul
answered
Jan 29, 2018
The length = 6 cm, breadth = 2cm and height = 2cm
0
votes
Draw the circuit diagram of a fullwave redtifier and discuss its actions. H
answered
Jan 29, 2018
https://clay6.com/qa/71273/draw-the-circuit-diagram-of-a-full-wave-rectifier-using-p-n-junction-diod...
0
votes
No. Of term in expansion (1+2x+x^2)^20
answered
Jan 29, 2018
The no: of terms ina binomial expansion is n+1 The given expression can be written as ((1+x)^2)^2 =...
0
votes
The dial on a standard 3 number combination lock contains marking to repres
answered
Jan 25, 2018
The first number can be any of the number from 0 to 59 that is 60 choices The second number has 59 ...
0
votes
The last nonzero digit in 20! is
answered
Jan 25, 2018
The last non zero digit in 20! is 4 This is obtantained by for any n! the last non zero digit is ...
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votes
What is the maximum distance she travelled carrying a flag ?
answered
Jan 25, 2018
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Two systems of rectangular axes have the same origin .if a plane cuts off i
answered
Jan 25, 2018
https://clay6.com/qa/2497/two-systems-of-rectangular-axis-have-the-same-origin-if-a-plane-cuts-them-...
0
votes
Write two difference between transverse and longitudinal waves?
answered
Jan 25, 2018
Transverse waves ...
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votes
If the radius of the earth shrinked by one percent ,it's mass remaining the
answered
Jan 25, 2018
https://clay6.com/qa/90366/if-the-radius-of-the-earth-were-to-shrink-by-one-percent-ts-mass-remainin...
0
votes
Find the distance between the parrallel planes vector r.2i -3j +6k =5 and v
answered
Jan 24, 2018
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Two wires of length 42cm are bent to form a square and a rectangle. The bre
answered
Jan 24, 2018
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A coin is tosed 4 times. Let x denote the number of heads . Find the probab
answered
Jan 24, 2018
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votes
State the condition that the two of the quadratic equation ax^2 + bx + c =
answered
Jan 24, 2018
The question seems to be incomplete. Can you give the complete question?
0
votes
There are 7 boys and 8 girls need to form a team of 5 boys and 6 girls. In
answered
Jan 24, 2018
The question seems to be incomplete. Can you give the complete question?
0
votes
If p(n,n)denotes the number of permutation of n different things taken all
answered
Jan 24, 2018
The question seems to be incomplete. Can you give the complete question?
0
votes
If cos−1α+cos−1β+cos−1γ=3π, then find α+β+γ.
answered
Jan 24, 2018
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A TV tower has a height of 75 m.what is the maximum distance upto which TV
answered
Jan 24, 2018
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Find the equation of a plane passing through (-1,4,1) and which is parallel
answered
Jan 24, 2018
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votes
The cost of laying grass in a rectangular Park at rupees 5 per square metre
answered
Jan 24, 2018
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0
votes
The sum of a perimeter of a circle and a square is k.proove that the sum of
answered
Jan 17, 2018
https://clay6.com/qa/692/the-sum-of-the-perimeter-of-a-circle-and-square-is-where-is-some-constant-p...
0
votes
Find the area of equilateral triangle whose each side is 12 CM
answered
Jan 17, 2018
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Find the area of triangle with base 5 centimetre and whose height is equal
answered
Jan 17, 2018
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A right circular cylinder is to be made so that the sum of its radius and h
answered
Jan 17, 2018
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The vertices of a triangle are 1,2 5,7 11,13 find the length of median pass
answered
Jan 17, 2018
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Given two concentric circles with centere O.A lines cuts the circles at A,B
answered
Jan 8, 2018
The perpendicular drawn from the center to the chord bisects the chord. Hence AP = BP where P is a p...
0
votes
the focal distance of a point on parabola y^2=8x is 8 find the coordinates
answered
Jan 5, 2018
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votes
find area of sector of circle with radius 10 cm and central angle 60degree.
answered
Jan 4, 2018
Area of a sector =[ x/360] pi r^2 = [60/360] x 3.14 10 x10 = 314/6 = 52.3cm^2 Area of the cicle i...
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votes
Find the length of intercept cut by circle x^2+y^2=c^2 at line x/a+y/b=1
answered
Jan 3, 2018
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votes
For what value of k, line 3x+4y=k touches the circle x^2+y^2=10x
answered
Jan 3, 2018
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0
votes
a box contains 16 bulbs of which 4 bulbs are defective 3 bulbs are drawn on
answered
Jan 3, 2018
P(X=0) = 12/16 x 11/15 x 10/14 = 11/28 P(X=1) = 3 x 12/16 x 11/15 x 4/14 = 33/70 P(X=2) = 3 x 12/1...
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votes
What is the ratio of nuclear densities of two nuclei having mass number in
answered
Jan 3, 2018
1:1 Because nuclear density is independent of mass number.
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