Surds and Indices Practice Test 1

Question : 23 of 40

Marks: +1, -0

The expression

(-1)^132/{5^{-1}+3^{-1}}

is equivalent to:

Solution:

(-1)^132/{5^{-1}+3^{-1}}

=1/{1/5+1/3}

=1/{8/15}=15/8

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