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All the values of m for which both roots...

All the values of m for which both roots of the equation `x^(2)-2 m x+(m^(2)-1)=0` are greater than -2 but less than 4 lie in the interval

A

1: `(-2,0)`

B

2: `(3, oo)`

C

3: `(-1,3)`

D

4: `(1,4)`

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The correct Answer is:
C
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