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Question
For any two non-zero rational numbers a and b, a4 ÷ b4 is equal to
Options
(a ÷ b)1
(a ÷ b)0
(a ÷ b)4
(a ÷ b)8
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Solution
(a ÷ b)4
This is one of the basic exponential formulae, i.e. (a ÷ b)n = an ÷ bn
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