Question

If m+n =16 and mn = 7 find m^2 +n^2​

Answer 1

Step-by-step explanation:

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Answer 2

m+n = 16

mn =7

now

m+n = 16

traking by square

(m+n) 2 = 256

m2 +2mn +n2 = 256

m2+n2 = 242