Question

simplify
please help its urgent ​

Answer 1

Step-by-step explanation:

(3^-1 -5^-1)^-1=(1/3-1/5)^-1

=((5-3)/15)^-1

=(2/15)^-1

=15/2

Answer 2

${( {3}^{ - 1} - {5}^{ - 1} ) }^{ - 1}$

$= { (\frac{1}{3} - \frac{1}{5}) }^{ - 1}$

$= {( \frac{5 - 3}{15}) }^{ - 1} \: \: \: (lcm)$

$= {( \frac{2}{15}) }^{ - 1}$

$= \frac{15}{2}$

$= 7.5$

hope it helps

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