1
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
Differential of $$\log [\log (\log {x^5})]$$ w.r.t. x is
A
$${5 \over {x\log ({x^5})\log (\log {x^5})}}$$
B
$${5 \over {x\log (\log {x^5})}}$$
C
$${{5{x^4}} \over {\log ({x^5})\log (\log {x^5})}}$$
D
$${{5{x^4}} \over {\log {x^5}\log (\log {x^5})}}$$
2
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
The number of all possible matrices of order 2 $$\times$$ 3 with each entry 1 or 2 is
A
16
B
6
C
64
D
24
3
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
A function f : R $$\to$$ R is defined as f(x) = x3 + 1. Then the function has
A
no minimum value
B
no maximum value
C
both maximum and minimum values
D
neither maximum value nor minimum value
4
CBSE 12th Math (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+1
-0
If $$\sin y = x\cos (a + y)$$, then $${{dx} \over {dy}}$$ is
A
$${{\cos a} \over {{{\cos }^2}(a + y)}}$$
B
$${{ - \cos a} \over {{{\cos }^2}(a + y)}}$$
C
$${{\cos a} \over {{{\sin }^2}y}}$$
D
$${{ - \cos a} \over {{{\sin }^2}y}}$$
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