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

Let $H(x)=3 x^4+6 x^3-2 x^2+1$ and $g(x)$ be a linear polynomial. If $\frac{H(x)}{(x-1)(x+1)(x-2)}=f(x) +\frac{g(x)}{(x-1)(x+1)(x-2)}$, then

$H(-1)+2 H(2)-3 H(1)=$

A

$f(-1)+2 f(2)-3 f(1)$

B

$H(-1)+f(2)+g(3)$

C

$g(-1)+2 g(2)-3 g(1)$

D

$H(1)+2 f(2)-g(1)$

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

If $630^{\circ}<\theta<810^{\circ}$ and $\tan \theta=-\frac{7}{24}$, then $\cos \left(\frac{\theta}{4}\right)=$

A

$-\sqrt{\frac{7+5 \sqrt{2}}{10 \sqrt{2}}}$

B

$\sqrt{\frac{7+5 \sqrt{2}}{2 \sqrt{2}}}$

C

$-\sqrt{\frac{5 \sqrt{2}-7}{10 \sqrt{2}}}$

D

$\sqrt{\frac{5 \sqrt{2}-7}{2 \sqrt{2}}}$

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

For $\theta \in\left[-\frac{\pi}{2}, \frac{\pi}{2}\right]$ if $2 \cos \theta+\sin \theta=1$ and $7 \cos \theta+6 \sin \theta=k$, then the possible values of $k$ are

A

8,-2

B

6,2

C

12,4

D

7,6

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

$$ \sum\limits_{k=0}^{12} \frac{1}{\sin \left((k+1) \frac{\pi}{6}+\frac{\pi}{4}\right) \sin \left(\frac{k \pi}{6}+\frac{\pi}{4}\right)}= $$

A

$2(\sqrt{3}+1)$

B

$2(3-\sqrt{3})$

C

$2(2-\sqrt{3})$

D

$2(\sqrt{3}-1)$