Question

if a+b= 6 and ab = 5, find the value of a²+b² ​

Answer 1

Answer

a = 1

b = 6

Then your answer is 37.

Answer 2

Answer:

Formula

(a+b)^2=a^2+b^2+2ab

=>a^2+b^2=(a+b)^2−2ab

Given, a+b=6 and ab=5

So, a^2+b^2=(a+b)^2−2ab=36-2×5 = 36-10 =26