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Question -

(i) For any integer a, what is (-1) × a equal to?
(ii) Determine the integer whose product with (-1) is 0.
(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.

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