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Just help me to check homework on vector calculus 
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#1
Mar1106, 10:36 PM

P: 160

Find the equation of the normal vector, tangent plane, and the normal line to
the graph of the equation at point P. here's the equation and my solution: please help me verify if my answer is correct. tqvm! 


#2
Mar1206, 06:20 AM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 39,344

Do you understand that most people are not going to download a file from someone they don't know?



#3
Mar1206, 06:33 AM

P: 160

sorry. changed it to jpeg. :)



#4
Mar1206, 12:13 PM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 39,344

Just help me to check homework on vector calculus
Yes, very nicely done!
Those of us who dislike fractions (third grade trauma!) might prefer 2x y+ 2z= 0 for the tangent plane (multiply your equation by 2) and [2t, 2 2t, 1+ 2t] for the normal line (replace your t by 2t) but your equations are completely correct. 


#5
Mar1206, 12:37 PM

P: 160

HoI, thank you very much!



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