• anonymous
Find the directional derivative of $f(x,y,z) = yz + x^4$ at (2,3,1) in the direction of vector v=i+j+k. I have gotten as far as finding the directional derivative (gradient) at (2,3,1) which is: 32i+3j+k I dont know how to do the second part of this problem. What does it mean to find this direction? What do I have to do to the gradient to find it? My book is very vague, please help!
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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