Question

3. Verify that (-x)= x for:
(i)
-7
(ii)
19
5
13​

Answer 1

Answer:

Correct question is:-

Verify that -(-x)= x

Solution:-

(i) x=-7

According to question:-

=> -[-(-7)]= -7

=> +(-7)= -7

=> -7 = -7

HENCE PROVED:-

(ii) x= 19

According to question:-

=> -(-19)= 19

=> 19= 19

HENCE PROVED:-

(iii) x= 5

According to question:-

=> -(-5)= 5

=> 5= 5

HENCE PROVED:-

(iv) x= 13

According to question:-

=> -(-13) = 13

=> 13= 13

HENCE PROVED:-

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Answer 2

The question is wrong. Please check the guestion.