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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)`

Text Solution

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The correct Answer is:
D
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