Question

Prove the above image

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Answer 1

use the formula.

follow me..

Answer 2

Step-by-step explanation:

[-2/3-(4/-5)]-1/2

[-2/3+4/5]-1/2

on taking lcm

[-10+12]/15-1/2

2/15-1/2

again on taking lcm we get

4/15-(-15/30)

-11/30