Question

Express the eform a+ib (2-5i) (3+2i)

Answer 1

Solution :

( 2 - 5i )( 3 + 2i )

= 2( 3 + 2i ) - 5i( 3 + 2i )

= 6 + 4i - 15i - ( 2i )( 5i )

= 6 - 11i + 10

= 16 - 11i

= 16 + ( -11 )i [ a + ib form ]

where ,

a = 16 , b = -11

••••

Answer 2

Refer to the attachment please.