(49)^-1/4 ÷(49)^1/4 How to simplify this?
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(49)^-1/4 / (49)^1/4
=(49)^-1/4-1/4
=(49)^-1/2
=(7)^-1
=1/7
=(49)^-1/4-1/4
=(49)^-1/2
=(7)^-1
=1/7
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