Q. 3 A4.5( 37 Votes )

For any integer a, what is (-1) × a equal to?

Answer :

If we look the question then there will be three possible cases for this question:


Case 1: When a is any positive integer


So,


(-1) × a = - a


Case 2: When a is any negative integer


So,


(-1) × (-a) = a


Also,


Case 3: When a is 0


So,


(-1) × 0 = 0


Therefore,


From the above results, the possible answers are a, 0 and – a

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