Question

evaluate (5 3/5)^2 - (3 2/5) ^2 using identity​

Answer 1

(5.2)

2=(5+0.2) 2

Using,(a+b)

2 =a

2 +b

2 +2ab=5

2 +(0.2) 2 +2(5)(0.2)

=25+0.04+2

=27.04