Question

if a² + b² = 88, ab=8. find a-b​

Answer 1

Step-by-step explanation:

(a-b)²=a²+b²-2ab

Therefore

a²+b²=(a-b)²+2ab

88=(a-b)²+2(8)

88-16=(a-b)²

72=(a-b)²

(a-b) = root 72

Answer 2

Answer:

a-b = 8.5

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