Question

ab=5 anda^2+b^2=25then(a+b)^= ?​

Answer 1

Answer:

Given,

ab = 5

a² + b² = 25

Therefore,

(a+b)²=25+2×5 { (a+b)²= a²+b²+2ab }

=25+10

=35

Hence, when ab=5 & a²+b²=25 then,

(a+b)² = 35