Complex Numbers · Mathematics · AP EAPCET

Start Practice

MCQ (Single Correct Answer)

AP EAPCET 2021 - 19th August Morning Shift
$$(\sin \theta-i \cos \theta)^3$$ is equal to
AP EAPCET 2021 - 19th August Morning Shift
Real part of $$(\cos 4+i \sin 4+1)^{2020}$$ is
AP EAPCET 2021 - 19th August Evening Shift
If $$|z-2|=|z-1|$$, where $$z$$ is a complex number, then locus $$z$$ is a straight line
AP EAPCET 2021 - 19th August Evening Shift
If $${\left( {{{1 + i} \over {1 - i}}} \right)^m} = 1$$, then m cannot be equal to
AP EAPCET 2021 - 20th August Morning Shift
If $$z_1=2+3 i$$ and $$z_2=3+2 i$$, where $$i=\sqrt{-1}$$, then $$\left[\begin{array}{cc}z_1 & z_2 \\ -\bar{z}_2 & \bar{z}_1\end{array}\right]\left[\b...
AP EAPCET 2021 - 20th August Morning Shift
The radius of the circle represented by $$(1+i)(1+3i)(1+7i)=x+iy$$ is $$(i=\sqrt{-1})$$.
AP EAPCET 2021 - 20th August Morning Shift
If $$1, \alpha_1, \alpha_2, \alpha_3$$ and $$\alpha_4$$ are the roots of $$z^5-1=0$$ and $$\omega$$ is a cube root of units, then $$(\omega-1)\left(\o...
AP EAPCET 2021 - 20th August Morning Shift
If $$a > 0$$ and $$z=x+i y$$, then $$\log _{\cos ^2 \theta}|z-a|>\log _{\cos ^2 \theta}|z-a i|,(\theta \in R)$$ implies
AP EAPCET 2021 - 20th August Morning Shift
If one root of the equation $$i x^2-2(i+1) x+(2-i)=0$$ is $$(2-i)$$, then the other root is
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12