Question

Use the formula (a+b)²=a²+2ab+b². (i) (101)² (ii) (1003)² (iii) (10.2)² Guys do this fast!!!!!!

Answer 1

Step-by-step explanation:

(i) (101)²

=(100+1)²

=100²+2.100.1+1²

=10000+200+1

=10201

(ii) 1003²

=(1000+3)²

=1000000+6000+9

=1006009

iii) 10.2²

=(10+0.2)²

=10²+2.10.0.2+0.2²

=100+4+0.04

=104.04