If x^4 +(1/{x^4})=47 find the value of x^3 +(1/{x^3}) is

1.	If x^4 +(1/{x^4})=47 find the value of x^3 +(1/{x^3}) is
A.	18
B.	20
C.	22
D.	24
Answer» B. 20

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If x^4 +(1/{x^4})=47 find the value of x^3 +(1/{x^3}) is

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