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Negative Numbers

  • Multiplication of integers

Rules for the product of integers:

(i)The product of two positive integers is always positive.

(ii) The product of one positive integer and one negative integer is always negative.

For example, 5 × (–9) = – (5 × 9) = –45

(iii) The product of two negative integers is always positive.

(iv) If the number of negative integers in a product is even, then the product is a p…

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