1
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { If } y=\log _e\left(\frac{x^2}{e^2}\right) \text {, then } \frac{d^2 y}{d x^2} \text { is equal to } $$

A
$$ -\frac{2}{x^2} $$
B
$$ -\frac{1}{x} $$
C
$$ -\frac{1}{x^2} $$
D
$$ \frac{2}{x^2} $$
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { If } y=\tan ^{-1}\left(\frac{3-2 x}{1+6 x}\right) \text { then } \frac{d y}{d x} \text { is } $$

A
$$ \frac{2}{1+4 x^2} $$
B
$$ -\frac{4}{1+4 x^2} $$
C
$$ -\frac{2}{1+4 x^2} $$
D
$$ \frac{1}{1+4 x^2} $$
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { If } \sin y=x(\cos (a+y)) \text {, then find } \frac{d y}{d x} \text { when } x=0 $$

A
1
B
sec a
C
cos a
D
$$-1$$
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The approximate value of $$f(5.001)$$, where $$f(x)=x^3-7 x^2+10$$

A
$$-39.995$$
B
$$-38.995$$
C
$$-37.335$$
D
$$-40.995$$
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