Posted by **Peaklife** on Monday, November 2, 2009 at 4:28am.

if A=i+j, B=2i-3j+k and C=4j-3k

find

(i) (AxB)xC & Ax(BxC)

- Vectors and Geometry -
**drwls**, Monday, November 2, 2009 at 4:58am
I'll start this out, using the determinant rule for vector cross products. You do the last part, and check my work for errors.

A x B =

|i j k|

|1 1 0|

|2 -3 1| = i -j -5k

(AxB) x C =

|i j k|

|1 -1 -5|

|0 4 -3| = 17i + 3j +4k

## Answer this Question

## Related Questions

- Vectors and Geometry - if A= i+j, B=2i-3j+k and C=4j-3k find (i) (AxB)xC (ii) Ax...
- Help on Vectors & Geometry - (a) Given that A= 3i - j + 2k and B=2i + 3j - k ...
- Vectors - Cross product of vector: If axb(cross product)=(2,0,1) and bxc= -4,0,-...
- Physics - For the vectors with a = 3.3 and b = 2.2, what are (a) the z component...
- Physics (vectors) - Given vectors A= (Axi + Ayj), B= (Byj+Bzk) and C= (Cyj + Czk...
- Math - Given two non-collinear vectors a and b, show that a, axb, and (axb)xa ...
- Vec & Geo - Prove that A.(BxC) = (AxB).C
- Physics - Three vectors are given by a= 0i+0j+4.0k , b= 3.0i+ -3.0j+-1.0k and c=...
- perpendicular vectors - Find two unit vectors each of which is perpendicular to ...
- Physics - Three vectors are given by: a=0i+oj+4.0k b=3.0i+-3.0j+-1.0k c=1.0i+2....

More Related Questions