Q. Is   (i) 1 ÷ a = 1?
     (ii) a ÷ (–1) = – a? for any integer a.
Take different values of a and check.

Answers (1)

(i) 1 \div a = 1 is true only for a =1.

(ii) a \div (-1) = - a

Taking, a =1; 1\div (-1) = -1

a =2; 2\div (-1) = -2

a =-1; (-1)\div (-1) = 1

Hence, this is true for every integer .

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