Chapter2: Functions And Their Graphs
Section: Chapter Questions
Problem 8PS
Related questions
Question
Computing gradients Compute the gradient of the following functions and evaluate it at the given point P.
h(x, y) = ln (1 + x2 + 2y2); P(2, -3)
Expert Solution
Step 1
Given that:
The equation is .
Step 2
By using,
For a function of two variables z = f (x, y), the gradient is the two dimensional vector,
grad f = .
Chain rule :
Step 3
By using the above formula,
To find h x ( x, y) :
Differentiate the given equation with respect to x,
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