Tangent Planes & Normal Lines

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It's videos like this that save lives 3 hours before exams

OoJackmaruOo
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thx too much for the video kepp going for it u soo good at it

amralali
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In part b, after the dot product of the point with the gradient, shouldnt be ( -2i-4j+6k )?

sulimano
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This is really well explained and really good I would just suggest, using a bigger page, or more pages, because sometimes it looked a little squashed together and hard to read other than that it's awesome thanks!

PeterJk
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Should the z direction of gradient of g be +6k ?

mattwp
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so is the constant useless for what we're doing? kinda confused how you just dont touch it (like the 30 in the first example)

filcogaming
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Thank you for video . Really, well explained . However, I agree Peter J, sometimes your writings become smalle and reading really hard and confusing . :) Thank you again

ProudRich