What is the value of (x + y) (x + y) if xy = -3 and x² + y² = 10?
- 2
- 4
- 6
- None of these
Explanation
(x + y)² = x² + y² + 2xy
= 10 + 2(-3)
= 10 - 6
= 4
Last verified on 13-03-2026
(x + y)² = x² + y² + 2xy
= 10 + 2(-3)
= 10 - 6
= 4
Last verified on 13-03-2026
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