Please show your work or process httpi1175photobucketcomalbu

Please show your work or process

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Solution

F(x,y,z) = 3xy + z^2 - 4

dF/dx = 3y = 3

dF/dy = 3x = 3

dF/dz = 2z = 2

So the plane equation is:

3(x-1) + 3(y-1) + 2(z-1) = 0

3x+3y+2z = 8