Question

Using ( a - b ) = ( a2 + b2 + 2ab ) , evalute : (1) (137)2 (2) (1008)2 (3) (11.6)2​

Answer 1

Step-by-step explanation:

1) 137²=(100+37)²

=(100)²+(37)²+2(100)(37)

=10000+1396+7400

=18796

2)1008²=(1000+8)²

=(1000)²+(8)²+2(1000)(8)

=1000000+64+16000

=1016064

3)11.6²=(11+0.6)²

=(11)²+(0.6)²+2(11)(0.6)

=121+0.36+13.2

=134.56

Answer 2

Here's the answer. Hope you have a great day!