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If pq is a rational number and m is a non-zero integer, then pq=p×mq×m. - Mathematics

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Question

If `p/q` is a rational number and m is a non-zero integer, then `p/q = (p xx m)/(q xx m)`.

Options

  • True

  • False

MCQ
True or False

Solution

This statement is True.

Explanation:

e.g. Let m = 1, 2, 3,...

When m = 1, then `p/q = (p xx 1)/(1 xx q) = p/q`

When m = 2, then `p/q = (p xx 2)/(q xx 2) = p/q`

Hence, `p/q = (p xx m)/(q xx m)`

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Notes

When both numerator and denominator of a rational number are multiplied/divide by a same non-zero number, then we get the same rational number

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Chapter 8: Rationals Numbers - Exercise [Page 247]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 8 Rationals Numbers
Exercise | Q 51. | Page 247

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