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November 4th, 2007, 11:09 AM   #1
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Some Multivariable Questions

Need some help on these problems >_<

1) Find the range of the parameter "d" for which the intersection of the sphere x^2 + y^2 + z ^2 = 1 and the plane x + y + z = d is non-empty

2)Parameterize the intersection as described in Problem #1

And

3) Let f be a differentiable function and let g(x,y,z) = f(yz,xz,xy). Express the following quantities with appropriate partial derivatives of f.

(These are partial derivatives )
gx(x,y,z)
gy(y,x,z)
gz(x,y,z)
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November 13th, 2007, 03:54 PM   #2
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Guess no one here can do Multivariable Calculus.

Oh well, figured them out myself.
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