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

If the four points $(6,2,4),(1,3,5),(1,-2,3)$ and $(6, k, 2)$ are coplanar, then $k=$

A

-5

B

4

C

-3

D

1

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

$$ \mathop {\lim }\limits_{x \to - \infty } \frac{5 x^3-x^2 \sin 5 x}{x \cos 4 x+7|x|^3-4|x|+3}= $$

A

$\frac{5}{4}$

B

$-\frac{5}{4}$

C

$-\frac{5}{7}$

D

$\frac{5}{7}$

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

If $\mathop {\lim }\limits_{x \to {a^ + }} f(x)=p, \mathop {\lim }\limits_{x \to {a^ - }} f(x)=m$ and $f(a)=k$, then which one of the following is true?

A

When $p-k \neq 0$ and $m-k \neq 0$, then $f(x)$ is continuous at $x=a$

B

When $p-k=0$ and $m-k \neq 0$, then $f(x)$ is left continuous at $x=a$

C

When $p-k \neq 0$ and $m-k=0$, then $f(x)$ is right continuous at $x=a$

D

When $p-m=0$ and $p-k=0$, then $f(x)$ is right continuous at $x=a$

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

If a function $f$ defined by

$$ f(x)=\left\{\begin{array}{cc} \frac{1-\cos 4 x}{x^2}, & x<0 \\ \frac{a}{\sqrt{x}}, & x=0 \\ \frac{\sqrt{16+\sqrt{x}-4}}{\sqrt{16+0}} & \end{array}\right. $$

is continuous at $x=0$, then $a=$

A

8

B

4

C

3

D

2