If a = (a.b)b, find the magnitude of b.?

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all a and b's are vectors, not scalars.

2007-02-08 22:19:02 · 5 answers · asked by Mathlover 1 in Science & Mathematics ➔ Mathematics

a=ab^2
=>b^2=1
=>b=+-1

2007-02-08 22:24:55 · answer #1 · answered by alpha 7 · 0⤊ 0⤋

2007-02-09 06:24:30 · answer #2 · answered by just boooooored 3 · 0⤊ 0⤋

It is + or - 1

2007-02-09 08:34:28 · answer #3 · answered by Saadi 5 · 0⤊ 0⤋

Vector b = (1/ (a .b)) vector a
Magnitude of vector b = (1/(a . b)) x magnitude of vector a
= ( 1 / a . b) x a

2007-02-09 09:00:05 · answer #4 · answered by Como 7 · 0⤊ 0⤋

b=(b.a)/a are you satisfied?

2007-02-09 06:40:38 · answer #5 · answered by Anonymous · 0⤊ 0⤋