See solution: Evaluating a Line Integral of a Vector Field In Exercises 1124, find the
Chapter 15, Problem 21(choose chapter or problem)
In Exercises 11 - 24, find the value of the line integral
\(\int_{C} \mathbf{F} \cdot d \mathbf{r}\).
(Hint: If F is conservative, the integration may be easier on an alternative path.)
\(\mathbf{F}(x, y, z)=(2 y+x) \mathbf{i}+\left(x^{2}-z\right) \mathbf{j}+(2 y-4 z) \mathbf{k}\)
(a) \(\mathbf{r}_{1}(t)=t \mathbf{i}+t^{2} \mathbf{j}+\mathbf{k}, \quad 0 \leq t \leq 1\)
(b) \(\mathbf{r}_{2}(t)=t \mathbf{i}+t \mathbf{j}+(2 t-1)^{2} \mathbf{k}, \quad 0 \leq t \leq 1\)
Text Transcription:
int_C F cdot dr
F(x, y, z) = (2y + x) i + (x^2 - z) j + (2y - 4z)k
r_1 (t) = ti + t^{2}j + k, 0 leq t leq 1
r_2 (t) = ti + tj + (2t - 1)^{2}k, 0 leq t leq 1
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