Question
Mathematics Question on Properties Of Multiplication Of Integers
(i) For any integer a, what is (–1) × a equal to?
(ii) Determine the integer whose product with (–1) is
(a) –22
(b) 37
(c) 0
Answer
(i) (-1) × a = -a
(ii) (-1) × 0 = 0 [∵ a × 0 = 0] Hence (c) 0 is the required integer.