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If a - b = 3 and a2 + b2 =...

This question belongs to Arithmetic Ability Simplification
Simplification
?

If a - b = 3 and a2 + b2 = 29, find the value of ab.

Answer & Solution
Correct Answer: Option A
2ab = (a2 + b2) - (a - b)2
2ab = 29 - 9
2ab = 20
∴ ab = 10
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2 Comments
Šăĺmäň Balochi
Šăĺmäň Balochi 10 months ago
How to slove this question
Kaushal Singh
Kaushal Singh 4 years ago
Good Explanation
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