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

If a tangent to the hyperbola $x y=-1$ is also a tangent to the parabola $y^2=8 x$, then the equation of that tangent is

A

$3 y+x=2$

B

$y=3 x+4$

C

$y=x+2$

D

$y=2 x+1$

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

The distance between the tangents of the hyperbola $2 x^2-3 y^2=6$ which are perpendicular to the line $x-2 y+5=0$ is

A

$2 \sqrt{2}$

B

4

C

$\sqrt{2}$

D

$3 \sqrt{2}$

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

If $A(0,0,0) B(3,4,0)$ and $C(0,12,5)$ are the vertices of a $\triangle A B C$, then the $x$-coordinate of its incentre is

A

$\frac{25}{18+7 \sqrt{2}}$

B

$\frac{25}{26}$

C

$\frac{39}{18+7 \sqrt{2}}$

D

$\frac{39}{26}$

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

If $A=(0,4,-3), B=(5,0,12)$ and $C=(7,24,0)$, then $\sqrt{B A C}=$

A

$60^{\circ}$

B

$\cos ^{-1}\left(\frac{16}{\sqrt{13}}\right)$

C

$\cos ^{-1}\left(\frac{13}{38}\right)$

D

$90^{\circ}$