if 4x2 y2 40 and xy 6 then find the value of 2x y | Examsbook

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445 0

Q:
If 4x² + y² = 40 and xy = 6, then find the value of 2x + y.

1
6
2
8
3
5
4
4

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Answer : 2. "8"

Maths Algebra Question with answer

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