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Make r the subject of the formula x/(x + a) = a/r

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MATHS

Make r the subject of the formula x/(x + a) = a/r

A. a²/(x + a)

B. (ax + a²)/x

C. a/(x – a)

D. a/(x + a)

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B

DETAILS…

This is a straight forward math…

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Make r the subject of the formula x/(x + a) = a/r

Now for the right answer to the above question:

  1. Option A is incorrect.
  2. Option B is correct.
  3. C is not correct.
  4. D is not the correct answer.

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  • A straight forward math.
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/ culled from 2020 JAMB-UTME mathematics past question 40 /

1 Answers

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