sky_tm
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vectors
\[z = 3x^2 - 2xy + x^2 y = 2\]
i) find the vectorswhich is normal to curve at (1,1)
ii) write down a unit vector d along the line y=x and directed at the positive x direction.
iii) Find the rate of change of z in the direction of d.
\[z = 3x^2 - 2xy + x^2 y = 2\]
i) find the vectorswhich is normal to curve at (1,1)
ii) write down a unit vector d along the line y=x and directed at the positive x direction.
iii) Find the rate of change of z in the direction of d.
