Find the Torsion of the Space Curve $$\mathbf { r } ( \mathrm { t } ) = ( 2 \mathrm { t } - 7 ) \mathbf { i } + \left( \mathrm { t } ^ { 2 } - 2 \right) \mathbf { j } + 7 \mathbf { k }$$

Multiple Choice

Find the torsion of the space curve.
- $$\mathbf { r } ( \mathrm { t } ) = ( 2 \mathrm { t } - 7 ) \mathbf { i } + \left( \mathrm { t } ^ { 2 } - 2 \right) \mathbf { j } + 7 \mathbf { k }$$

A) $\tau = - 1$
B) Undefined
C) $\tau = 1$
D) $\tau = 0$