Question

All the values of ${}^{\prime }{m}^{\prime }$ for which both roots of the equation $x^2-2mx+m^2-1=0$ are greater then $-2$ but less then $4$ lies in the interval:

• A. $-2<m<0$
• B. $m>3$
• C. $-1<m<3$
• D. $1<m<4$

Answer 1

The correct option is C $-1<m<3$