show me solution for that -(-x)=X for 1.x=2/15 2.x=-13/17
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Answer:
in below see
Step-by-step explanation:
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Ex 1.1, 3
Verify that-(-x) = x for.
- 133
(ii) x = -
=
17
Additive inverse of x = -x =
x =
-(-7-173³) = 11/195
13
17
17
Check: (13³) + 12 =
13
17
17
0
-13
Additive inverse of -x = - (-x) = − (1²-²³ ) =
Check: 1³+ (-1³) =
13
17
17
= 0
Thus, - (-x) = x.
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