1
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

If one root of the equation $$i x^2-2(i+1) x+(2-i)=0$$ is $$(2-i)$$, then the other root is

A
$$-i$$
B
$$2+i$$
C
$$i$$
D
$$2-i$$
2
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$|z-2|=|z-1|$$, where $$z$$ is a complex number, then locus $$z$$ is a straight line

A
Parallel to $$X$$ - axis
B
Parallel to $$Y$$-axis
C
Parallel to $$y=x$$
D
Parallel to $$y=-x$$
3
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $${\left( {{{1 + i} \over {1 - i}}} \right)^m} = 1$$, then m cannot be equal to

A
1934
B
2024
C
2172
D
10100
4
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$(\sin \theta-i \cos \theta)^3$$ is equal to

A
$$i^3(\cos 3 \theta+i \sin 3 \theta)$$
B
$$\cos 3 \theta+i \sin 3 \theta$$
C
$$\sin 3 \theta-i \cos 3 \theta$$
D
$$(-i)^3(\cos 3 \theta+i \sin 3 \theta)$$
AP EAPCET Subjects
EXAM MAP