1
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) $f(x)=|x-a|+|x-b|$, is continuous on $\mathbf{R}$

Reason (R) $\frac{|x-\alpha|}{x-\alpha}$ is continuous at $x \in \mathbf{R}-\{\alpha\}$.

The correct option among the following is

A

(A) is true, (R) is true and (R) is the correct explanation for $A$

B

(A) is true, (R) is true but (R) is not the correct explanation for A

C

(A) is true but (R) is false

D

(A) is false but (R) is true

2
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $x \sqrt{1+y}+y \sqrt{1+x}=0$, then $\frac{d y}{d x}=$

A

$\frac{-1}{(1+x)^2}$

B

$\frac{1}{(1+x)^2}$

C

$\frac{2}{(1+x)^{3 / 2}}$

D

$\frac{-2}{(1+x)^{1 / 2}}$

3
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $p(x)$ be a polynomial satisfying $p(2 x)=p^{\prime}(x) \cdot p^{\prime \prime}(x)$, then $\sum_{x=1}^5 p(x)=$

A

200

B

100

C

50

D

450

4
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $2^x+2^y=2^{x+y}$, then $\frac{d y}{d x}=$

A

$1-2^y$

B

$1-2^{-y}$

C

$1+2^y$

D

$1+2^{-y}$

TS EAMCET Papers

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