Question

If a + b = 9 and ab = 6, find the value of a² + b2.



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Answer 1

Answer:

a² + b² = 93

Step-by-step explanation:

a² + b²

=(a+b)²

= a² + b² + 2ab

= (a+b)² + 2(6)

= (9)² + 12

=81+12

=93

Answer 2

Answer:

a^2+b^2 =93

Step-by-step explanation:

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