If Ā.B =Č.B which of the following can not be a possible case :
A=C
angle between A and B = 30° and angle between B and Ĉ = 150° all three
vectors are of equal magnitude.
B is a mull vector
A. B and c are along x, y and z-axis respectively
Answers
Answered by
3
Answer:
(a.c) a = b ( a.a = | a |2 = 1 ) | c - (a.c) a |2 = | b |2 | c |2 + | a.c |2 | a |2 - 2 (a.c) ...
Top answer
We have a × ( a × c ) + b = 0 (a.c) a - (a.a) c = - b c - (a.c) a = b ( a.a = | a |2 = 1 ) | c - (a.c) a |2 = | b |2 | c |2 + | a.c |2 | a |2 - 2 (a.c)
Answered by
1
Answer:(a.c) a = b ( a.a = | a |2 = 1 ) | c - (a.c) a |2 = | b |2 | c |2 + | a.c |2 | a |2 - 2 (a.c) ...
We have a × ( a × c ) + b = 0 (a.c) a - (a.a) c = - b c - (a.c) a = b ( a.a = | a |2 = 1 ) | c - (a.c) a |2 = | b |2 | c |2 + | a.c |2 | a |2 - 2 (a.c)
Similar questions