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guys can someone tell me how to draw complicated complex numbers in an ARGAND DIAGRAM?
where r we suppose to learn it from????
where r we suppose to learn it from????
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WellWIshER said:1 more .......
do u have da p3 cie book...if so..then
page 187
q.10...on vectors...
plzz ans
usman said:10.(a)
(i - j - 4k) x (2i + 5j + 6k) = 14i -14j + 7k wich is // to 2i - 2j + k
(i - j - 5k) + s(i - j - 4k) = (2i - 9j -14k) + t(2i + 5k + 6j)
[(1 + s)i + (-1 - s)j + (-5 - 4s)k] - [(2 + 2t)i + (-9 + 5t)j + (-14 + 6t)k] = u(2i -2j + k) ---> {s,t,u} = {1,1,-1}
----> P(2,-2,-9); Q(4,-4,-8) ---> PQ = 3 units
(b) (2i -2j + k) x (2i + 5j + 6k) = -17i -10j + 14k wich is // to 17i + 10j - 14k ----> 17x + 10y - 14z = 140 (plane equation)
(c) d(perp) = Abs[[17(1) + 10(-1) - 14(-5) - 140]/sqrt[17^2 + 10^2 + 14^2]] = 21/sqrt(65)
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