Question

verify that -(-a)= a
for (i) 9 / - 2​

Answer 1

Step-by-step explanation:

$( - 1)( - a) = a \\ \\ (i) \: \: \frac{9}{ - 2} =( \frac{9}{ - 2} )( \frac{ - 1}{ - 1} ) = \frac{ - 9}{2} = - ( \frac{9}{2} )$