If A vector =4i^+ 4j^-4k^ Bvector =3i^+j^+4k^, then angle between a vector and b vector is.

If A vector =4i^+ 4j^-4k^ Bvector =3i^+j^+4k^, then angle between a ve

1.	If A vector =4i^+ 4j^-4k^ Bvector =3i^+j^+4k^, then angle between a vector and b vector is.
Answer» Thnq<br>0<br>A+B = 7i+5j+0k\|A\|=4root3\|B\|= root26\|R\| =\|A+B\| = root74Now, use the formula for resultant\|R\|= root(\|A\|² +\|B\|² + 2\|A\|\|B\|cosø) ,where ø is angle btw A and B By putting values you will get ans??