9. The roots of the equation $2 x ^ { 2 } - 11 x + c = 0$ differ by 2 . The value of $c$ is A $\frac { 105 } { 8 }$ B $\frac { 113 } { 8 }$ C $\frac { 117 } { 8 }$ D $\frac { 119 } { 8 }$
9. The roots of the equation $2 x ^ { 2 } - 11 x + c = 0$ differ by 2 . The value of $c$ is
A $\frac { 105 } { 8 }$\\
B $\frac { 113 } { 8 }$\\
C $\frac { 117 } { 8 }$\\
D $\frac { 119 } { 8 }$\\