If `| vec a|=10 ,\ | vec b|=2\ a n d\ | vec axx vec b|=16 ` find ` vec adot vec bdot`

If | vec a|=sqrt(26), | vec b|=7 a n d | vec axx vec b|=35 , fin d vec adot vec bdot

If |vec a|=5,|vec a-vec b|=8 and |vec a+vec b|=10, then find |vec b|

If | vec axx vec b|^2=( vec adot vec b)^2=144\ a n d\ | vec a|=4 , find vec bdot

Vectors vec a\ a n d\ vec b are such that | vec a|=3,\ | vec b|=2/3a n d\ ( vec axx vec b) is a unit vector. Write the angle between vec a\ a n d\ vec bdot

If two vectors vec aa n d vec b are such that |veca|=3, |vecb|=2 and veca.vecb=6, . , Find | vec a+ vec b|a n d| vec a- vec b|dot

If | vec a|=2,| vec b|=5a n d vec adot vec b=0, then vec ax( vec ax( vec ax( vec ax( vec a x( vec ax vec b))))) is equal to 64 vec a (b) 64 vec b (c) -64 vec b (d) -64 vec a

If vec rdot vec a=0, vec rdot vec b=1a n d[ vec r vec a vec b]=1, vec adot vec b!=0,( vec adot vec b)^2-=| vec a|^2| vec b|^2=1, then find vec r in terms of vec aa n d vec bdot

(vec a-vec b) * (vec a + vec b) = 27 and | vec a | = 2 | vec b | find | vec a | and | vec b |

If vec a a n d vec b are two vectors such that vec adot vec b=6, | vec a|=3 a n d | vec b|=4. Write the projection of vec a on vec bdot

If vec a\ a n d\ vec b are two vectors such that | vec axx vec b|=3\ a n d\ vec adot vec b=1, find the angle between.