1
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \mathop {\lim }\limits_{x \to 2}\left[\left(x^2-4 x+4\right) \cos \left(\frac{2}{x-2}\right)+\frac{x^2-4}{x^3-2 x-4}\right]= $$

A

0

B

$\infty$

C

1

D

$\frac{2}{5}$

2
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \lim _{x \rightarrow 0} \frac{\tan 2 x-2 \tan x}{(1-\cos x)\left(2^x-1\right)}= $$

A

$\frac{1}{\log 2}$

B

$\frac{1}{\log 4}$

C

$4 \log 2$

D

$\frac{4}{\log 2}$

3
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \frac{d}{d x}\left[\left(x^{\frac{5}{2}}-x^{\frac{3}{2}}+1\right)\left(x^2-3 x+5\right)\right]= $$

A

$\frac{9}{2} x^{7 / 2}-14 x^{5 / 2}+20 x^{3 / 2}-\frac{15}{2} x^{1 / 2}+2 x-3$

B

$\frac{9}{2} x^{7 / 2}-7 x^{5 / 2}+5 x^{3 / 2}-\frac{3}{2} x^{1 / 2}+2 x-3$

C

$9 x^{7 / 2}-14 x^{5 / 2}+20 x^{3 / 2}-15 x^{1 / 2}+2 x-3$

D

$\frac{9}{2} x^{7 / 2}-\frac{7}{2} x^{5 / 2}+\frac{5}{2} x^{3 / 2}-\frac{15}{2} x^{1 / 2}+2 x-3$

4
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The value of $\frac{d}{d x}\left[\log \left(\sin \sqrt{\frac{x^2+1}{x^2+2}}\right)\right]$ when $x=\sqrt{2}$, is

A

$\frac{\sqrt{2} \cot \left(\frac{\sqrt{3}}{2}\right)}{6 \sqrt{3}}$

B

$\frac{\sqrt{2} \tan \left(\frac{\sqrt{3}}{2}\right)}{6 \sqrt{3}}$

C

$\frac{\sqrt{2} \cot \left(\frac{\sqrt{3}}{2}\right)}{8 \sqrt{3}}$

D

$\frac{\sqrt{2} \tan \left(\frac{\sqrt{3}}{2}\right)}{8 \sqrt{3}}$

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