1
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $f(x)=\frac{e^{-x} \sin x}{\log _e x}$ and $f^{\prime}(x)=f(x) \cdot g(x)$, then $g^{\prime}(e)=$
A

$e^{-2}-\operatorname{cosec}^2(e)$

B

$2 e^2-\operatorname{cosec}^2(e)$

C

$2 e^{-2}-\operatorname{cosec}^2(e)$

D

$2 e^{-2}+\operatorname{cosec}^2(e)$

2
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $y=\frac{e^{\sin x}+\sinh ^3 x}{\cosh x-\tan x}$, then $y^{\prime}(0)=$

A

0

B

1

C

-1

D

2

3
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The approximate value of $\sqrt[3]{28}$ rounded up to 3 decimal places is

A

3.012

B

3.037

C

3.025

D

3.033

4
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

$y=x^2$ is the given curve. Imagine that this curve is dragged along the positive $X$-axis to a distance of ' $a$ ' units. If the acute angle between the curves at two positions is $\theta$, then

A

$\theta=\frac{\pi}{2}$

B

$\tan \theta=\frac{2|a|}{\left|1-a^2\right|}$

C

$\cos \theta=\frac{2|a|}{\left|1-a^2\right|}$

D

$\theta=0$

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