Question

Verify that  - ( - a ) = a  is true for a = 12 /-23​

Answer 1

-(-a) = a

Putting The Value of a in it

-(-(-19/21 ) ) = -[ 19/21 ] = -19/21

So, It Give The Value Of a

i.e., = -19/21

Answer 2

Answer:

12/-23

Step-by-step explanation:

-(-a) = a

Putting The Value of a in it

-(-(-12/23 ) ) = -[ 12/213] = -12/23

So, It Give The Value Of a

i.e., = 12/-23

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