The plane y = 1 intersects the surface z = x4 + 9xy - 4 in...

Question

Question

The plane y = 1 intersects the surface z = x4 + 9xy - 4 in a certain curve. Find the slope m of the tangent line to this curv

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Answer 1

Answer #1

2= x +qxy-yu ; P(1,1,9) Put yal f(x) = x + anul f(x) = 4x3 ta Slope f(x) = 4(1) 3 +9 ç 4+9 M = 113

Answer 2

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