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Negation of a Number

ii Verify - -...

Question

Question 103(ii)
Verify - (- x) = x for
$x = \frac{- 7}{9}$

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Solution

Given, $x = \frac{- 7}{9} \Rightarrow - x = - (\frac{- 7}{9}) \Rightarrow - x = \frac{7}{9}$
$L . H . S = - (- x) = \frac{- 7}{9} = x = R . H . S$
Hence verified.

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Negation of a Number

Standard VIII Mathematics

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