Question

If ( a+b) = 12 and ab =14 then ( a^2+b^2)​

Answer 1

Given,

(a + b) = 12 and ab = 14

To find, (a2 + b2)

Solution-

(a2 + b2) = ( a + b )^2 - 2ab

=12^2 - 2 × 14

= 144 - 28

= 116