Find the Directional Derivative Of $f ( x , y ) = x ^ { 3 } y + 5 x y ^ { 2 }$

question 106

Essay

Find the directional derivative of $f ( x , y ) = x ^ { 3 } y + 5 x y ^ { 2 }$ at the point (1, 1)in the direction of $3 \vec { i } + 5 \vec { j }$ .

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Definitions:

Travel Pattern

The habitual movement or route taken by an individual or group, often analyzed for planning effective sales and marketing strategies.

Routing Reports

are documents or systems that track and manage the journey of tasks, products, or information through a prescribed sequence of actions or stages.

Key Accounts

Accounts the loss of which would greatly affect sales and profits.

Sales Force Resources

Tools, materials, and support provided to a sales team to help them effectively perform their duties and achieve sales targets.