Find the length of the indicated portion of the curve.
-$$\mathbf { r } ( \mathrm { t } ) = ( 5 + 2 \mathrm { t } ) \mathbf { i } + ( 6 + 3 \mathrm { t } ) \mathbf { j } + ( 4 - 6 \mathrm { t } ) \mathbf { k } , - 1 \leq \mathrm { t } \leq 0$$
A) 8
B) 5
C) 9
D) 7

Question

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The Answer of Find the length of the indicated portion of the curve.
-$$\mathbf { r } ( \mathrm { t } ) = ( 5 + 2 \mathrm { t } ) \mathbf { i } + ( 6 + 3 \mathrm { t } ) \mathbf { j } + ( 4 - 6 \mathrm { t } ) \mathbf { k } , - 1 \leq \mathrm { t } \leq 0$$
A) 8
B) 5
C) 9
D) 7

Find the Length of the Indicated Portion of the Curve