Express each of the complex number given in the form of a + ib.
(1 - i)4
(1 - i)4 = [(1 - i)2]2 = [(1)2 + (i)2 - 2(1)(i)]2 = (1 + i2 - 2 i)2
= [1 - 1 - 2i]2 = [-2i]2 = 4i2 = 4(-1) = -4
Collection of natural numbers between 100 and 200 (both inclusive).
Collection of all odd integers.
Collection of all divisors of 42.
Collection of beautiful girls in India.
Fill in the blanks in the following table:
|
Numbers |
Closed under |
|||
|
Addition |
Subtraction |
Multiplication |
Division |
|
|
Rational numbers |
Yes |
Yes |
No |
|
|
Integers |
Yes |
No |
||
|
Whole numbers |
... |
Yes |
||
|
Natural numbers |
No |
|||
i9 + i19
3(7 + i7) + i(7 + i7)
Express each of the complex number given in the form of a + ib.
(1 - i) - (-1 + i6)
Mock Test Series
