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Recent questions tagged q49
Questions
True or False: If the foot of perpendicular drawn from the origin to a plane is (5,-3,-2), then the equation of plane is $\overrightarrow{r}.(5\hat i-3\hat j-2\hat k)=38.$
cbse
class12
ch11
q49
p240
true-or-false
exemplar
easy
sec-a
math
asked
Jan 7, 2013
by
sreemathi.v
1
answer
If $x=e^{\large\cos 2t}\; and\;y=e^{\large\sin 2t},prove\;that\;\large \frac{dy}{dx}=\frac{-ylog x}{xlog y}$
cbse
class12
ch5
q49
p110
short-answer
exemplar
sec-b
medium
math
asked
Dec 31, 2012
by
sreemathi.v
1
answer
True or False: $(aA)^{-1}= \Large{ \frac{1}{a}}\normalsize A^{-1}$, where $a$ is a any real number and $A$ is a square matrix.
cbse
class12
ch4
sec-a
q49
p84
true-or-false
exemplar
medium
math
asked
Dec 28, 2012
by
sreemathi.v
1
answer
If AB=BA for any two square matrices,prove by mathematical induction that $(AB)^n=A^nB^n$.
cbse
class12
ch3
q49
p58
exemplar
sec-c
medium
math
asked
Dec 23, 2012
by
sreemathi.v
1
answer
True or False: All trigonometric functions have inverse over their respective domains.
cbse
class12
ch2
q49
p40
true-or-false
exemplar
easy
sec-a
math
asked
Dec 21, 2012
by
sreemathi.v
1
answer
Let the relation R be defined on the set A={1,2,3,4,5}by R={$(a,b):\mid a^2-b^2 \mid <\;8.Then\;R\;is\;given\;by$______________.
cbse
class12
ch1
q49
p16
fitb
exemplar
math
sec-a
asked
Dec 19, 2012
by
sreemathi.v
1
answer
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