KEAM 2011 Math Paper

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Question : 89 of 120

Marks: +1, -0

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

x2−bx

ax−c

=

m−1

m+1

has two roots which are numerically equal but opposite in sign, then the value of m is

c
1
c
a+b
a−b
1
a−b
a+b

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