1
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $z=x+i y$ and $x^2+y^2=1$, then $\frac{1+x+i y}{1+x-i y}=$

A

$\bar{z}$

B

$z$

C

$z+1$

D

$z-1$

2
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $x^6=(\sqrt{3}-i)^5$, then the product of all of its roots is

A

$2^5(\sqrt{3}+i)$

B

$\frac{2^6}{\sqrt{3}+i}$

C

$2^6(\sqrt{3}-i)$

D

$\frac{2^6}{\sqrt{3}-i}$

3
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\alpha \neq 0$ and zero are the roots of the equation $x^2-5 k x+\left(6 k^2-2 k\right)=0$, then $\alpha=$

A

$\frac{1}{3}$

B

1

C

$\frac{5}{3}$

D

5

4
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The set of all real values of $x$ satisfying the inequation $\frac{8 x^2-14 x-9}{3 x^2-7 x-6}>2$ is

A

$(-\infty, 1) \cup(3, \infty)$

B

$\left(-\infty,-\frac{2}{3}\right) \cup(2, \infty)$

C

$\left(-\frac{2}{3}, 2\right)$

D

$\left(-\infty,-\frac{2}{3}\right) \cup(3, \infty)$