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

If $|Z|=2, Z_1=\frac{Z}{2} e^{i \alpha}$ and $\theta$ is the $\operatorname{amp}(Z)$, then $\frac{Z_1^n-Z_1^{-n}}{Z_1^n+Z_1^{-n}}=$

A

$2^n i \tan (n \theta+n \alpha)$

B

$i \tan (n \theta-n \alpha)$

C

$i \tan (n \theta+n \alpha)$

D

$\tan (n \theta+n \alpha)$

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

If $n, K \in N$ such that $n \neq 3 K$, then $(\sqrt{3}+i)^{2 n}+(\sqrt{3}-i)^{2 n}=$

A

$(-1)^n 2^{2 n+1}$

B

$(-1)^{n+1} 2^{2 n+1}$

C

$(-1)^{n+1} 2^{2 n}$

D

$(-1)^{n+1} 2^n$

3
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In argand plane, no value of $\sqrt[3]{1-i \sqrt{3}}$ lie in

A

First quadrant

B

second quadrant

C

Third quadrant

D

Fourth quadrant

4
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $l$ is the maximum value of $-3 x^2+4 x+1$ and $m$ is the minimum value of $3 x^2+4 x+1$, then the equation of the hyperbola having foci at $(l, 0),(7 m, 0)$ and eccentricity as 2 is

A

$36 x^2-12 y^2=49$

B

$49 x^2-36 y^2=12$

C

$2 x^2-5 y^2=1$

D

$36 x^2-12 y^2=1$

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