All the values of \( m \) for which both roots of the equation \( x^{2}-2 m x+m^{2}-1=0 \) are g...

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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) \( -1m3 \)
(b) \( 1m4 \)
(c) \( -2m0 \)
(d) \( m3 \)
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