Class 11 Mathematics 4-1.Complex numbers Integral power of iota, Algebraic operations and Equality of complex numbers

Easy

If ${z_1} = 1 - i$ and ${z_2} = - 2 + 4i$,then $\text{Im} \left( \frac{z_1 z_2}{z_1} \right) = $

A
$1$
B
$2$
C
$3$
D
$4$

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Mathematics Questions

Chapter

4-1.Complex numbers

Subtopic

Integral power of iota, Algebraic operations and Equality of complex numbers

Similar Questions

Express the following in the form $a+ib$:
$i^{-35}$

Medium

The inequality $a + ib > c + id$ is meaningful only when:

Medium

If $|a| = a$ and $|b| = b$,then $\left( \frac{a}{a^2} - \frac{b}{b^2} \right)^2 = $

Medium

If $\left(\frac{1+i}{1-i}\right)^{x}=1$,then

MediumKCET 2021

If $n$ is a positive integer and $\frac{(1+i)^n}{(1-i)^n} = -i$,then $n$ will be of the form:

EasyTS EAMCET 2021

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.