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

User James Kuang
by
4.5k points

1 Answer

0 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

User Stevenelberger
by
3.9k points
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