batmanmarie2004
24.01.2020 •
Mathematics
Suppose \nabla f (x,y) = 3 y \sin(xy) \vec{i} + 3 x \sin(xy)\vec{j}, \vec{f} = \nabla f(x,y), and c is the segment of the parabola y = 3 x^2 from the point (1,3) to (4,48). then
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Ответ:
I'll assume you're supposed to compute the line integral of over the given path . By the fundamental theorem of calculus,
so evaluating the integral is as simple as evaluting at the endpoints of . But first we need to determine given its gradient.
We have
Differentiating with respect to gives
and we end up with
for some constant . Then the value of the line integral is .
Ответ:
answer:
it 1.5 or 0.2 because there is 25 there