If \(\left( \frac {1}{x^a} \right)^{-3} \div \left( x^{-1} \right)^{3 – McqOptions

MCQOPTIONS

1.	If \(\left( \frac {1}{x^a} \right)^{-3} \div \left( x^{-1} \right)^{3a} = x^6\), then a = ?
A.	8
B.	6
C.	1
D.	4
Answer» D. 4

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