Mathematics · Algebra

If a - b = 9 and ab = 20, then find the value of a2 + b2.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1111
2115
3121✓
4118

Correct answer

121

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If a - b = 9 and ab = 20, then find the value of a2 + b2.

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