Question

If a²+b²= 13and ab = 6 find a+b​

Answer 1

Answer:

ok let's find it friend.

(a+b)² = a²+2ab+b²

13 +2(6)

13+12

25

here in question it is asked a+b and we had found (a+b)²

so to find a+b we will do-

a+b= √25

a+b=4=5

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