If x + y = 7 and xy = 10, then the value of (1/x3 + 1/y3) is: – McqOptions

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1.	If x + y = 7 and xy = 10, then the value of (1/x3 + 1/y3) is:
A.	0.453
B.	0.133
C.	0.543
D.	0.131
Answer» C. 0.543

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