Find the curl of the vector field F curl F = (7y cos(x), 4x sin(y))

Find the directional derivative of the scalar field = x³y + 4xz at the point (1,-1, 2) along the direction vector (2, -1, −2):

F = (x² - y)i + + (4z)j + (x²)k Find the curl (curl calculation) of the vector field?

2) r(1) = ti -t j-t'k, t20 Draw the graph of the vector-valued function, explaining it in detail.