Homework Statement
A scalar field is given by the function: ∅ = 3x2y + 4y2
a) Find del ∅ at the point (3,5)
b) Find the component of del ∅ that makes a -60o angle with the axis at the point (3,5)
Homework Equations
del ∅ = d∅/dx + d∅/dy
The Attempt at a Solution
I completed part a:
del ∅ =...