Question

If a+b=5and ab=6,find the value of a2+b2​

Answer 1

Answer:

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Step-by-step explanation:

a2+b2

a+b + a+b=10

Answer 2

a+b=5

(a+b)² = 25

a²+b² +2×a×b = 25

a²+b² +2×6= 25

a²+b² =25-12

a²+b²= 13

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