Question

(Q -1) verify that : -(-x ) = x, when x= (a) 7/6 (b)-8/9




can anyone tell me this answer plz ​

Answer 1

Step-by-step explanation:

-(-x) = -(-7/6)

-(-x) = 7/6

Hence proved that -(-x) = x

Other will be same as this...

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Answer 2

$answer \\ \\ we \: have \: - ( - x) = x \\ \\ (a) \: put \: x = \frac{7}{6} \\ \\ lhs = \: - ( - \frac{7}{6} ) \\ = \frac{7}{6} = \: rhs \\ \\ hence \: proved \\ \\ (b) \: put \: x = \frac{ - 8}{9} \\ lhs = - ( \frac{ - ( - 8)}{9} ) \\ = - \frac{8}{9} = rhs \\ \\ hence \: proved$

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