Question

Verify that -(-x) = x for
(A) x=10/13
(B) x= -15/17​

Answer 1

Answer:

(A) -(-x) = x

Given, x = 10/13

L.H.S = -(-10/13) = 10/13 [(-) × (-) = (+)]

R.H.S = 10/13

L.H.S = R.H.S

(B) -(-x) = x

Given, x = -15/17

L.H.S = -[-(-15/17)] = -[15/17] = -15/17

R.H.S = -15/17

L.H.S = R.H.S