Obtain โ๐ฃโ๐ฅ if ๐=๐(๐ฅ2+๐ฆ2)
Question
Obtain โ๐ฃโ๐ฅ if ๐=๐(๐ฅ2+๐ฆ2)
Solution
To find the partial derivative of V with respect to x, we need to apply the chain rule. The chain rule states that the derivative of a composite function is the derivative of the outer function times the derivative of the inner function.
Here, the outer function is f(u) and the inner function is u = xยฒ + yยฒ.
Step 1: Differentiate the outer function with respect to u. We get f'(u).
Step 2: Differentiate the inner function with respect to x. We get 2x.
Step 3: Multiply the results from step 1 and step 2.
So, โV/โx = f'(u) * 2x = 2x * f'(xยฒ + yยฒ).
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