Question 14

Which of the following is not the additive inverse of a?

(a) $- (- a)$
(b) $a \times (- 1)$
(c) $- a$
(d) $a \div (- 1)$

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Solution

Additive inverse of a is (-a).
$[∵$ additive inverse of an integer is the same integer value, with opposite sign $]$
So,
$- (- a) = a$ is not the additive inverse of a.

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Similar questions

Which of the following is not the additive inverse of a?

(a) $- (- a)$
(b) $a \times (- 1)$
(c) $- a$
(d) $a \div (- 1)$

Question 42

The additive inverse of 14 is ............

Which of the following statements is not true?

- a

- \frac{a}{a + 1}

\frac{1}{a}

a^{2}

The additive inverse of the rational number $\frac{a}{b}$ is $- \frac{b}{a}$

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