1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $y=x+\sqrt{2}$ is a tangent to the hyperbola $\frac{x^2}{a^2}-\frac{y^2}{2}=1$, then equations of its directrices are
A
$x= \pm \sqrt{3}$
B
$x= \pm \sqrt{\frac{8}{3}}$
C
$x= \pm \sqrt{\frac{2}{3}}$
D
$x= \pm \sqrt{\frac{4}{3}}$
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The area of the quadrilateral formed with the foci of the hyperbola $\frac{x^2}{16}-\frac{y^2}{9}=1$ and its conjugate hyperbola is (in sq units)
A
24
B
25
C
16
D
50
3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The length of the internal bisector of angle $A$ in $\triangle A B C$ with vertices $A(4,7,8), B(2,3,4)$ and $C(2,5,7)$ is
A
$\frac{1}{3} \sqrt{29}$
B
$\frac{2}{3} \sqrt{29}$
C
$\frac{2}{3} \sqrt{34}$
D
$\frac{4}{3} \sqrt{34}$
4
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If the direction cosines of lines are given by $l+m+n=0$ and $m n-2 l m-2 n l=0$, then the acute angle between those lines is
A
$2 \pi / 5$
B
$\pi / 3$
C
$\pi / 4$
D
$\pi / 60$
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