If ab=8 and a^2+b^2=64,then (a+b)^2_____ A.80 B.72 C.56 D.48

asked Jan 6, 2023 123k views

13 votes

If ab=8 and a^2+b^2=64,then (a+b)^2_____
A.80
B.72
C.56
D.48

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9 votes

Answer:

a option

Explanation:

(a + b)² = a² + b² + 2ab

(a + b)² = 64 + 16

(a + b)² = 80

Hope it helps.

Kzotin answered Jan 12, 2023

5.2k points

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