anonymous
  • anonymous
attention amistre64!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
I have a question of vectors and i need help with that. so can you plz spare some time on it? i am attaching the question below
anonymous
  • anonymous
1 Attachment
amistre64
  • amistre64
vectors eh.... i was trying to catch up on them last night, little arrows with direction and magnitude...

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amistre64
  • amistre64
so what is a vector normal to the surface like? anything like a position vector in R^2?
anonymous
  • anonymous
oh nevermind. "lokisan" has already answered it =) i'll post the link and u can see it
amistre64
  • amistre64
thanks :) Im still wet behind the ears when it comes to adding the zplane ;)
amistre64
  • amistre64
normal to the surface means perpendicular to the surface
anonymous
  • anonymous
yes.
amistre64
  • amistre64
the ijk in there are vector identifiers right?
anonymous
  • anonymous
yes.
amistre64
  • amistre64
correspond with xyz if I recall correctly
amistre64
  • amistre64
but then i do not recall correctly lol... we foil out the left part right?
amistre64
  • amistre64
does 3x^2 (xi) = 3x^3 i?
anonymous
  • anonymous
i would suggest you revise it =)
amistre64
  • amistre64
lol.... give me a week, and ill be a pro at it :) but for know, its over me head
anonymous
  • anonymous
sorry can't wait that long =)
amistre64
  • amistre64
you tell me the steps you took and ill see if I cant mess them up ... sound good?
amistre64
  • amistre64
cross product sounds familiar.....
amistre64
  • amistre64
ab = absin(t)n is looking good to me
anonymous
  • anonymous
To find Normal vector find r'(v)/||r'(v)||
anonymous
  • anonymous
In this specific case you find the del
amistre64
  • amistre64
||r'V|| is the length or magnitude.... of the vector , i think
anonymous
  • anonymous
You find the dell and it leads to a messy vector. Normal is

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