1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Let $A$ be a $4 \times 4$ matrix and $P$ be is adjoint matrix, If $|P|=\left|\frac{A}{2}\right|$ then $\left|A^{-1}\right|$
A
$\pm \frac{1}{4}$
B
$\pm 8$
C
$\pm 2$
D
$\pm 4$
2
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The system $x+2 y+3 z=4,4 x+5 y+3 z=5,3 x+4 y+3 z=\lambda$ is consistent and $3 \lambda=n+100$, then $n=$
A
-42
B
-86
C
16
D
-24
3
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The complex conjugate of $(4-3 i)(2+3 i)(1+4 i)$ is.
A
$7+74 i$
B
$-7+74 i$
C
$-7-74 i$
D
$7-74 i$
4
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If the amplitude of $(z-2)$ is $\frac{\pi}{2}$, then the locus of $z$ is
A
$x=0, y>0$
B
$x=2, y>0$
C
$x>0, y=2$
D
$x>0, y=0$
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