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CaHeK987 [17]
3 years ago
12

Find a formula for a function f(x,y,z) whose level surface f=81 is a sphere of radius 9, centered at the origin.

Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0

81(9 \times 8 = 72 + 9) = 81
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Answer:

<h2>x=  \frac{u}{k + y}</h2>

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u = kx + ух

First of all factorize x out at the right side of the equation

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<h3>x =  \frac{u}{k + y}</h3>

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