If x²+4y²=40 and xy=6, what will be the value of x+2y?

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OyhrBprna

Mathematics

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If x²+4y²=40 and xy=6, what will be the value of x+2y? Please explain how you arrived at your answer. 

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Explanation & Answer

Attached.

If x²+4y²=40 and xy=6, what will be the
value of x+2y?
1. First get the square of x+2y
(x+2y) ² = (x+...


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