1
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If the slope of one of the lines in the pair of lines $8 x^2+a x y+y^2=0$ is thrice the slope of the second line, then $a$ is equal to
A
$8 \sqrt{\frac{2}{3}}$
B
6
C
$16 \sqrt{2}$
D
$3 \frac{\sqrt{2}}{5}$
2
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The triangle $P Q R$ is inscribed in the circle $x^2+y^2=25$. If $Q=(3,4)$ and $R=(-4,3)$, then $\angle Q P R$ is equal to
A
$\frac{\pi}{2}$
B
$\frac{\pi}{3}$
C
$\frac{\pi}{4}$
D
$\frac{\pi}{6}$
3
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The locus of the point of intersection of perpendicular tangents drawn to the circle $x^2+y^2=10$ is
A
$x^2+y^2=5$
B
$x^2+y^2=20$
C
$x^2+y^2=25$
D
$x^2+y^2=100$
4
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The normal drawn at $(1,1)$ to the circle $x^2+y^2-4 x+6 y-4=0$ is
A
$4 x+3 y=7$
B
$4 x+y=5$
C
$x+y=2$
D
$4 x-y=3$
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