A matrix A= [a_ i j ]_ 3 3 is defined by a_ i j = cc 2 i+3 j & , i j . The number of elements in A which are more than 5 , is 4 :

(c) 4 Explanation: Here, A = [ ccc 5 & 8 & 11 4 & 5 & 13 7 & 5 & 5 ] Thus, number of elements more than 5 , is 4 .

A matrix A= [a_ i j ]_ 3 3 is defined by a_ i j = cc 2 i+3 j & , …

If $f : R \rightarrow R, g : R \rightarrow R$ and $h : R \rightarrow R$ are such that $f(x) = x^2, \text{g(x)}=\tan\text{x}$ and $\text{h(x)}=\log\text{x},$ then the value of $(go(foh)) (x),$ if $x = 1$ will be:

→

If $\text{x}=2\text{ at},\text{y}=\text{at}^2,$ where a is a constant, then $\frac{\text{d}^2\text{y}}{\text{dx}^2}\text{ at}\ \text{x}=\frac{1}{2}$ is:

$\frac{1}{2}\text{a}$
1
2a
None of these

→

The area bounded by the curve $y = 4x - x^2$ and the $x-$axis is$:$

→

If $A=\left[\begin{array}{cc}2 & -3 \\ -1 & 2\end{array}\right]$ and $B=\left[\begin{array}{ll}2 & 3 \\ 1 & 2\end{array}\right]$ two matrix, then find AB ?

→

If in a binomial distribution $\text{n}=4,\text{P(X}=0)=\frac{16}{81},$ then $\text{P(X}=4)$ equals:

$\frac{1}{16}$
$\frac{1}{81}$
$\frac{1}{27}$
$\frac{1}{8}$

→

If a + b + c = 0, then a × b =

c × a
b × c
0
Both (a) and (b)

→

If $\text{xy}-\log_\text{e}\text{y}=1$ satisfies the equation $\text{x}(\text{yy}_2+\text{y}_1^2)-\text{y}_2+\lambda\text{yy}_1=0,$ then $\lambda=$

-3
1
3
None of these

→

In which of the following intervals is $y=x^2 e^{-x}$ increasing ?

→

The general solution of the differential equation $\frac{d y}{d x}=\frac{y}{x}$ is

→

If $A=\left[\begin{array}{ll}-2 & 4 \\ -1 & 2\end{array}\right]$, then $A^2$ is

→

Answer

Need a full question paper?

Explore more

Similar questions

Model Paper 2 — MATHS STD 12 Science — Question

Answer

Need a full question paper?

Explore more

Similar questions