If (x3 - y3) : (x2 + xy + y2) = 5 : 1 and (x2 - y2) : (x - y) = 7 : 1, then the ratio 2x : 3y equals = ? Options: A . &nbsp3 : 2 B . &nbsp2 : 3 C . &nbsp4 : 3 D . &nbsp4 : 1

If (x3 - y3) : (x2 + xy + y2) = 5 : 1 and (x2 - y2) : (x

Question

If (x3 - y3) : (x2 + xy + y2) = 5 : 1 and (x2 - y2) : (x - y) = 7 : 1, then the ratio 2x : 3y equals = ?

Options:

A . 3 : 2

B . 2 : 3

C . 4 : 3

D . 4 : 1

Answer: Option D

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