A scalar field is given by the function Φ = 3x2y + 4y2.a. Find Φ at the point (3, 5).b. Fi...

A scalar field is given by the function Φ = 3x2y + 4y2.

a. Find Φ at the point (3, 5).

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b. Find the component of Φ that makes a 60° angle with the x axis at the point (3, 5).