Question

a^2+b^2=36 and ab=12 (a+b)^2=?

Answer 1

Given,

${a}^{2} + {b}^{2} = 36 \\ ab = 12$

We know

${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab \\ = 36 + 2(12) \\ = 36 + 24 \\ = 60$

Answer 2

Answer:

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