QUESTIONS
. If 4x2 + y
2
= 40 and xy = 6, show that 2x + y = +8.
2
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Answered by
1
Answer:16.75 is the answer.
2x+(6/x)=8
we will get 2(x^2) - 8x + 6=0
we get x= -2 , x= 6
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