Question: Find the directional derivative of the function (, ) = (^2 + ^4) at the point (2, 3) in the direction of = 3, 4

Find the directional derivative of the function (, ) = (^2 + ^4) at the point (2, 3) in the direction of = 3, 4 . Find the maximum rate of change of this function at P and the direction in which this maximum rate of change occurs.

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