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Recent questions tagged q2-2
Questions
Write the converse and contra positive of the statement "I go to the beach whenever it is sunny day."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-b
easy
q2-2
asked
Aug 16, 2014
by
rvidyagovindarajan_1
1
answer
Write the converse and contra positive statement of the statement " If the two lines are parallel then they do not intersect in the same plane."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q2-2
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Identify the quantifier and and write the negation of the statement "For every real number $x, \:\:x$ is less that $x+1$."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-3
sec-a
easy
q2-2
asked
Jul 16, 2014
by
rvidyagovindarajan_1
1
answer
Are the pair of statements "The number $x$ is a rational number." and "The number $x$ is an irrational number." negation of each other?
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-2
sec-a
easy
q2-2
asked
Jul 14, 2014
by
rvidyagovindarajan_1
1
answer
Examine if Rolle’s theorem is applicable to any of the following functions. Can you say some thing about the converse of Rolle’s theorem from these example? $ (ii)\;f (x) = [x] \; for\; x \: \in [-2,2]$
cbse
class12
bookproblem
ch5
sec8
q2
q2-2
p186
math
asked
Aug 16, 2013
by
sreemathi.v
1
answer
Find the maximum and minimum values, if any, of the following functions given by $ f (x) = -\mid x+1\mid+3$
cbse
class12
bookproblem
ch6
sec5
q2
q2-2
p232
sec-a
easy
math
asked
Aug 6, 2013
by
sreemathi.v
1
answer
Verify that the given function (implicit or explicit) is a solution of the corresponding differential equation
cbse
class12
bookproblem
ch9
misc
q2
q2-2
p420
medium
sec-a
math
asked
Jul 30, 2013
by
sreemathi.v
1
answer
If $x=a+b$,$y=a\omega+b\omega^2,z=a\omega^2+b\omega$ show that (ii) $x^3+y^3+z^3=3(a^3+b^3)$ where $\omega$ is the complex cube root of unity.
tnstate
class12
bookproblem
ch3
exercise3-5
q2
q2-2
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Classify the following measures as scalars and vectors. $2$ meters north-west
cbse
class12
bookproblem
ch10
sec1
q2
q2-2
p428
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Find the absolute maximum and absolute minimum values of $f$ on the given interval: $\;f(x)=1-2x-x^{2}, [-4 , 1 ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-9
p53
q2
q2-2
asked
May 5, 2013
by
poojasapani_1
1
answer
Find the area of the region bounded by the lines $x-2y-12=0 $ and $y$-axis,$y=-1$ and $y=-3$
tnstate
class12
bookproblem
ch7
sec-1
exercise7-4
p117
q2
q2-2
asked
Apr 27, 2013
by
poojasapani_1
1
answer
Evaluate: $\int\limits_{0}^{\large\frac{\pi}{2}}\cos^{9} x dx $
tnstate
class12
bookproblem
ch7
sec-1
exercise7-3
p103
q2
q2-2
asked
Apr 27, 2013
by
poojasapani_1
1
answer
If $u= e^{\large\frac{x}{y}}\sin\frac{x}{y}+e^{\large\frac{y}{x}}\cos\frac{y}{x},$ Show that $ x\large\frac{\partial u}{\partial x}+y\frac{\partial u}{\partial y}=u$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-3
p86
q2
q2-2
asked
Apr 25, 2013
by
poojasapani_1
1
answer
Find the differential $dy$ and evaluate $dy$ for the given values of $x$ and $dx$\[\]$y$=$x^{4}-3x^{2}+x-1,x$$=2,dx$$=0.1$
tnstate
class12
bookproblem
ch6
sec-1
exercise6-1
p79
q2
q2-2
asked
Apr 24, 2013
by
poojasapani_1
1
answer
If $Z$ is a standard normal variate. Find the value of $c$ for the following $P(-c < Z < c)=0.40$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-5
p228
q2
q2-2
asked
Apr 22, 2013
by
poojasapani_1
1
answer
If the probability of a defective fuse from a manufactuning unit is $2\%$ in a box of $200$ fuses find the probability that more than $3$ fuses are defective$ [e^{-4}=0.0183].$
tnstate
class12
bookproblem
ch10
sec-1
exercise10-4
p218
q2
q2-2
asked
Apr 21, 2013
by
poojasapani_1
1
answer
Form the differential equuations by eliminating arbitary constants given in brackets against each. $y=ax^{2} +bx + c[a , b ]$
tnstate
class12
bookproblem
ch8
sec-1
exercise8-1
p129
q2
q2-2
asked
Apr 14, 2013
by
poojasapani_1
1
answer
Find the equation of the tangent and normal at $(-2 , \large\frac{1}{4})$ to the rectangular hyperbola $ 2xy-2x-8y-1=0 $
tnstate
class12
bookproblem
ch4
sec-1
exercise4-6
p262
q2
q2-2
asked
Apr 13, 2013
by
poojasapani_1
1
answer
Find the equation of the hyperbola if its asymptotes are parallel to $x+2y-12=0$ and $x-2y+8=0, (2 , 4 ) $ is the centre of the hyperbola and it passes through $(2 , 0 )$
tnstate
class12
bookproblem
ch4
sec-1
exercise4-5
p257
q2
q2-2
mar-2006
mar-2009
jun-2008
jun-2006
modelpaper
asked
Apr 13, 2013
by
poojasapani_1
1
answer
Find the equation of the tangent and normal to the ellipse $ x^{2} +4y^{2}=32 $ at $\theta=\large\frac{\pi}{4}$
tnstate
class12
bookproblem
ch4
sec-1
exercise4-4
p248
q2
q2-2
asked
Apr 13, 2013
by
poojasapani_1
1
answer
Find the equation and the length of the transverse and conjugate axis of the following hyperbola: $8y^{2}-2x^{2}=16$
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
p238
q2
q2-2
asked
Apr 11, 2013
by
poojasapani_1
1
answer
If a matrix has 7 elements, what are the possible order it can have?
cbse
class12
modelpaper
2012
sec-a
q2
q2-2
ch3
easy
math
asked
Apr 10, 2013
by
sreemathi.v
1
answer
Find the axies, vertex, focus, equation of directrix , latus rectum , length of the latus rectum for the following parabolas and hence sketch their graphs.$x^{2}=20y $
tnstate
class12
bookproblem
ch4
sec-1
exercise4-1
p192
q2
q2-2
asked
Apr 9, 2013
by
poojasapani_1
1
answer
Can a vector have direction angles $45^{\circ}, 60^{\circ}, 120^{\circ}$?
tnstate
class12
bookproblem
ch2
sec-1
exercise2-6
p94
q2
q2-2
asked
Apr 6, 2013
by
poojasapani_1
1
answer
Find the real and imaginary parts of the following complex numbers: $\large\frac{2+5i}{4-3i}$
tnstate
class12
bookproblem
ch3
sec3
exercise3-1
p130
q2
q2-2
asked
Apr 1, 2013
by
geethradh
1
answer
Let \(f,\, g\, and\, h\) be functions from \(R\, to\, R.\) Show that \[ (f . g) oh = (foh) . (goh)\]
cbse
class12
ch1
sec3
bookproblem
easy
sec-a
q2
q2-2
math
asked
Mar 19, 2013
by
balaji.thirumalai
1
answer
Write Minors and Cofactors of the elements of following determinants: $ (ii) \quad \begin{vmatrix} 1&0&4 \\ 3&5&-1 \\ 0&1&2 \end{vmatrix} $
cbse
class12
bookproblem
ch4
sec4
q2
q2-2
p126
easy
sec-a
math
asked
Mar 6, 2013
by
sreemathi.v
1
answer
$ \text{Evaluate the determinants: } \text{(ii): } \begin{vmatrix} x^2-x+1&x-1\\x+1&x+1 \end{vmatrix}$
cbse
class12
bookproblem
ch4
sec1
q2
q2-2
p108
easy
sec-a
math
asked
Mar 6, 2013
by
sreemathi.v
1
answer
Check the injectivity and surjectivity of the following functions: \(f : Z\to Z \;given\; by\; f(x)\; = x^2 \)
cbse
class12
bookproblem
ch1
sec2
q2
q2-2
p10
easy
sec-b
math
asked
Mar 5, 2013
by
meena.p
1
answer
If $A = \begin{bmatrix} -1 & 2 & 3 \\ 5 & 7 & 9 \\ -2 & 1 & 1 \end{bmatrix}$ and $B = \begin{bmatrix} -4 & 1 & -5 \\ 1 & 2 & 0 \\ 1 & 3 & 1 \end{bmatrix} $then verify that $ (ii) (A-B)' = A' - B'$
cbse
class12
bookproblem
ch3
sec3
q2
p88
easy
q2-2
sec-b
math
asked
Mar 5, 2013
by
balaji.thirumalai
1
answer
In the matrix $A=\begin{bmatrix} a & 1 & x \\ 2 & \sqrt 3 & x^2 y \\ 0 & 5 & \frac{2}{5} \end{bmatrix} write:(ii) Element\; of \;the\; matrices.$
cbse
class12
ch3
q2
q2-2
p52
shortanswer
exemplar
sec-a
easy
math
asked
Mar 4, 2013
by
sreemathi.v
1
answer
If a matrix has 13 elements,what are the possible orders it can have? (Note: This question has been split into 2 questions)
class12
cbse
bookproblem
ch3
sec1
p64
easy
q2-2
veryshortanswer
sec-a
math
asked
Feb 27, 2013
by
balaji.thirumalai
1
answer
Compute the following $\;\begin{bmatrix}a^2+b^2 & b^2+c^2\\a^2+c^2 & a^2+b^2\end{bmatrix}+\begin{bmatrix}2ab & 2bc\\-2ac & 2ab\end{bmatrix}$
cbse
class12
bookproblem
ch3
sec2
q2-2
p80
easy
shortanswer
sec-a
math
asked
Dec 6, 2012
by
sreemathi.v
1
answer
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