Question

if a=2 b=3 find the value of a²+b²​

Answer 1

a = 2 , b = 3

a² + b² = (a + b)² = a² + b² + 2ab

so put values as given in the question

(2 + 3)² = (2)² + (3)² + 2(2)(3)

= 4 + 9 + 12

= 25

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Answer 2

Answer:

Given a=2 b=3

a*2+b*2=(a+b)*2 - 2ab

=(2+3)*2 -2[(2)(3)]

=25 -12=13