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MATHEMATICS

JAMB 2002 - Question 20

Mathematics 2002 JAMB Past Questions - Question 20: Make r the subject of the formula x/r+a =a/r

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

A: a^2/x-a .

B: a^2/x+a

C: a/x-a

D: a/x+a

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Correct Answer

Explanation

x/r+a = ar?rx = ar + a^2rx − ra = a2? r= a^2 /x −a