1
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

let $g(x) \neq 0, g^{\prime}(x) \neq 0, f(x) \neq 0, f^{\prime}(x) \neq 0$. If

$F(x)=f(x) g(x), G(x)=f^{\prime}(x) g^{\prime}(x)$ and

$F^{\prime}(x)=G(x) H(x)=F(x) K(x)$, then $H(x)+K(x)=$

A

$\frac{f^{\prime}}{f}+\frac{f}{f^{\prime}}+\frac{g}{g^{\prime}}$

B

$\frac{f^{\prime}}{f}+\frac{g}{g^{\prime}}+\frac{g^{\prime}}{g}$

C

$\frac{f^{\prime} g^{\prime}+f g}{f f^{\prime} g g^{\prime}}$

D

$\frac{f^{\prime}}{f}+\frac{g}{g^{\prime}}+\frac{f}{f^{\prime}}+\frac{g^{\prime}}{g}$

2
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $y=\frac{x \sin ^{-1} x}{\sqrt{1-x^2}}+\log \sqrt{1-x^2}$, then $\frac{d y}{d x}=$

A

$\frac{\sin ^{-1} x}{1-x^2}$

B

$\frac{\sin ^{-1} x}{\left(1-x^2\right)^{3 / 2}}$

C

$\frac{x}{1-x^2}$

D

$\frac{x \sin ^{-1} x}{\sqrt{1-x^2}}-\frac{2 x}{\sqrt{1-x^2}}$

3
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Let $f(x)$ and $g(x)$ be twice differentiable functions such that $f(x)=x^2+g^{\prime}(1) x+g^{\prime \prime}(2)$ and $g(x)=f(1) x^2+x f^{\prime}(x)+f^{\prime \prime}(x)$. Then $f(x)-g(x)=$

A

$2 x+5$

B

$3 x^2+6 x+1$

C

$x^2-6 x+2$

D

$x^2-2$

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