Let a, b, c be positive real numbers. If...

Let a, b, c be positive real numbers. If `(x^(2) - bx)/(ax - c) = (m-1)/(m + 1)` has two roots which are numerically equal but opposite in sign, then the value of m is

A

c

B

`(1)/(c)`

C

`(a + b)/(a-b)`

D

`(a-b)/(a+b)`

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The correct Answer is:

D

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