The Line Integral $\int$ C $\left( y - x ^ { 2 } \right) d s$

Multiple Choice

The line integral $\int$ C $\left( y - x ^ { 2 } \right) d s$ , where C is the curve $x = t , y = 2 t , 0 \leq t \leq 1 \text {, }$ is

A) $2 \sqrt { 5 }$
B) $\sqrt { 5 }$
C) $\frac { 3 \sqrt { 5 } } { 2 }$
D) $\frac { 3 \sqrt { 5 } } { 4 }$
E) $\frac { 2 \sqrt { 5 } } { 3 }$