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

The area (in sq. units) of the triangle formed by the tangent and normal to the ellipse $9 x^2+4 y^2=72$ at the point $(2,3)$ with the $X$-axis is

A

$\frac{25}{2}$

B

$\frac{39}{4}$

C

$\frac{35}{4}$

D

$\frac{45}{4}$

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

If $3 \sqrt{2} x-4 y=12$ is a tangent to the hyperbola $\frac{x^2}{a^2}-\frac{y^2}{b^2}=1$ and $\frac{5}{4}$ is its eccentricity, then $a^2-b^2=$

A

5

B

7

C

9

D

11

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

If the normal drawn to the hyperbola $x y=16$ at $(8,2)$ meets the hyperbola again at a point $(\alpha, \beta)$, then $|\beta|+\frac{1}{|\alpha|}=$

A

40

B

34

C

28

D

54

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

The locus of a point at which the line joining the points $(-3,1,2),(1,-2,4)$ subtends a right angle, is

A

$x^2+y^2+z^2+2 x+y-6 z-3=0$

B

$x^2+y^2+z^2+2 x-y-6 z+3=0$

C

$x^2+y^2+z^2+2 x+y-6 z+3=0$

D

$x^2+y^2+z^2-2 x+y-6 z+3=0$