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How do I find the tangent plane to surface?
I need to find the tangent plane at (3,4,-3) for the equation:
x^2+y^2-z^2-4xy+4xz=-68? How do I find a complete list of human genes which have multiple splice variants? Each edge of a cube has a length of 38.1 cm. What is the length of a diagonal of the cube going through the center of the cube? If (1/x)+(2/y)+(3/z)=1, then z=(axy/bxy-2x-cy), where a,b, and c are positive integers. Find the value of a+b+c.? The force by fluid in a hydraulic press on the piston is 2000N.If area of the piston is 10 cm^2.The fluid pressure on the piston is in N/m?