If ab = 5 and a² + b² = 25, then (a + b)2 =?

Hevski asked Jul 22, 2022

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25 votes

Hevski asked Jul 22, 2022

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23 votes

Answer:

35.

Explanation:

a^2 + b^2 = (a + b)^2 - 2ab

Substituting the given values:

25 = (a + b)^2 - 2*5

(a + b)^2 = 25 + 10

(a + b)^2 = 35

Mal answered Jul 27, 2022

by Mal

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