Question

if a minus b equal to 15 and ab is equal to 11 then the value of A2 + B2 is​

Answer 1

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Answer 2

a-b = 15

ab = 11

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

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

=> (15)^2 + 22

=> 225+22

= 247