1
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$f(x)$ is an $n$th degree polynomial satisfying $f(x)=\frac{1}{2}\left|\begin{array}{cc}f(x) & f\left(\frac{1}{x}\right)-f(x) \\ 1 & f\left(\frac{1}{x}\right)\end{array}\right|$. If $f(2)=33$, then the value of $f(3)$ is

A

126

B

214

C

244

D

-124

2
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the point $P$ denotes the complex number $z=x+i y$ in the argand plane and $\frac{z-(2-i)}{z+(1+2 i)}$ is purely imaginary number, then the locus of $P$ is

A

a hyperbola not containing the point $(-1,-2)$

B

an ellipse not containing the point $(-1,-2)$

C

a parabola not containing the point $(-1,-2)$

D

a circle not containing the point $(-1,-2)$ and having its centre on the line $x+y+1=0$

3
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $(\sqrt{3}-i)^n=2^n, n \in N$, then the least possible value of $n$ is

A

3

B

4

C

6

D

12

4
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ (1+\sqrt{5}+i \sqrt{10-2 \sqrt{5}})^5= $$

A

1024

B

-1024

C

512

D

-512