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If ab=2 and (a+b)^2=10, what is a^2+b^2?

If ab=2 and (a+b)^2=10, what is a^2+b^2?
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If ab=2 and (a+b)^2=10, what is a^2+b^2?

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User Cfl
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2 Answers

4 votes

Answer:

6

Explanation:

answered
User Jaskaranbir Singh
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7.7k points
4 votes
(a+b)² = a² + 2ab +b²

if ab = 2 , then a = 2/b and ab =2 in the above equation
(a+a/2)² = a² + 2 +b²

(3a/2)² = a²+b²+2

9a²/4 - 2 = a²+b² =

answered
User Sazid
by
9.0k points
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