If $$ {x^4}+{1 over{x^4}}$$ then find $$ {x^3}-{1 over{x^3}}=?$$ – McqOptions

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1.	If $$ {x^4}+{1 over{x^4}}$$ then find $$ {x^3}-{1 over{x^3}}=?$$
A.	80
B.	79
C.	78
D.	76
Answer» E.

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