25. u = x^2 + yz, x = pr cos(theta), y = pr sin(theta), z = p + r;
Du/Dp, Du/Dr, Du/D(theta) when p = 2, r = 3, theta = 0
Du/Dp etc. are the partial derivatives.
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The same process is true for the other partial derivatives.
Originally Posted by sixstringartist I believe:
The same process is true for the other partial derivatives. you are correct.
by the chain rule:
for replace p with r in the formula above
for replace p with in the formula above
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