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

If (x3 y3) : (x2 +xy +y2) = 5 : 1and (x2 y2) : (x y) = 7 : 1, th

1.	If (x³ y³) : (x² +xy +y²) = 5 : 1 and (x² y²) : (x y) = 7 : 1, then the ratio 2x : 3y equals
A.	4 : 1
B.	2 : 3
C.	4 : 3
D.	3 : 2
Answer» B. 2 : 3

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

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