if x2 4y2 17 and xy 2 where x gt 0 y gt 0 then what is the value of x3 | Examsbook

459

Q:
If x²+4y²=17 and xy=2, where x>0,y>0, then what is the value of x³+8y³?

1
95
2
85
3
65
4
76

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Answer : 3. "65"

Maths Algebra Question with answer

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