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Negation of a Number

i Verify - - ...

Question

Question 103(i)
Verify - (- x) = x for
$x = \frac{3}{5}$

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Solution

Given
$x = \frac{3}{5}$
$\Rightarrow - x = \frac{- 3}{5}$

$\Rightarrow L . H . S = - (- x)$
$= - (\frac{- 3}{5})$
$= \frac{3}{5}$
$= x = R . H . S$

Hence verified.

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Negation of a Number

Standard VIII Mathematics

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