Question

if a+b=8and ab = -1, evaluate a²+b²​

Answer 1

Step-by-step explanation:

HEY MATE YOUR ANSWER IS HERE ^_^

a+b = 8

a²+b²+2ab = 64

a²+b² = 64 - 2ab = 64 - 2[-1] = 68

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Answer 2

Answer:

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Step-by-step explanation:

ur ans is 69

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