1
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Match the functions in Column I with their properties in Column II. In the following [ $x$ ] denotes the greatest integer less than or equal to $x$.

Column I Column II
A $$
x|x|
$$
I Strictly increasing and continuous in $(-1,1)$
B $$
\sqrt{|x|}
$$
II Continuous but not differentiable in $(-1,1)$
C $$
x+[x]
$$
III Differentiable in $(-1,1)$
D $$
|x-1|+|x+1|+|x|
$$
IV Differentiable in $(-1,0) \cup(0,1)$
V Strictly increasing and not differentiable in $(-1,1)$
The correct match is
A

A-III, B-V, C-II, D-I

B

A-II, B-III, C-I, D-V

C

A-I, B-II, C-V, D-IV

D

A-IV, B-I, C-V, D-III

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The derivative of $\sec ^{-1}\left(\frac{1}{2 x^2-1}\right)$ with respect to $\sqrt{1-x^2}$ at $x=\frac{1}{2}$ is

A

-2

B

1

C

2

D

4

3
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $5 f(x)+3 f\left(\frac{1}{x}\right)=x+2$ and $y=x f(x)$, then $\frac{d y}{d x}$ at $x=1$ is equal to

A

14

B

$\frac{7}{8}$

C

1

D

7

4
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The area (in square units) of the triangle formed by the $X$-axis, the tangent and the normal drawn at $(1,1)$ to the curve $x^3+y^3=2 x y$ is

A

$1 / 2$

B

1

C

2

D

$3 / 2$