Question

express the following in the form of a+bi ,where a,b belong to i=√-1.state the value of and b: solve the following qts (1-2i)(-2+i).

Answer 1

Multiply both eqn which will be
-2+i+4i+2 i square = - 1
O+(5i) ans.

Here a = 0
b= 5

Answer 2

Answer:

Step by step explanation:

Multiply both equation will be.

-2 + I + 4i + 2

I square = - 1

0 + ( 5i )....

Here ,

A =0

B = 5

Hope it helps you......