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Question

Which of the following statements are true and which are fals?
(i) The product of a positive integer and a negative integer is negative.
(ii) The product of two negative integers is a negative integer.
(iii) The product of three negative integers is a negative integer.
(iv) Every integer when multiplied with −1 gives its multiplicative inverse.


Solution

(i) The product of a positive integer and a negative integer is negative.
            True

(ii) The product of two negative integers is a negative integer.
            False
The product of two negative integers is always a positive integer.

(iii) The product of three negative integers is a negative integer.
            True

(iv) Every integer when multiplied by (–1) gives its multiplicative inverse.
          False

Every integer when multiplied by (1) gives its multiplicative inverse
.

Mathematics
RS Aggrawal (2020, 2021)
All

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