" 2.(i) If "vec a=3hat i+4hat j" and "vec b=hat i+hat j+hat k," find the value of "|vec a timesvec b|

If vec a=3hat i+4hat j and vec b=hat i+hat j+hat k, find the value of |vec a xxvec b|

If vec a=3 hat i+4 hat j and vec b=hat i-hat j+hat k , find the value of | vec a*vec b|.

If vec a=3hat i-2hat j+4hat k and vec b=hat i-hat j+2hat k then find the modulus of vec a-vec b

If vec a=hat i-hat j and vec b=-hat j+hat k find the projection of vec a on vec b

If vec a=4 hat i+3 hat j+hat k and vec b=hat i-2 hat k , find | vec a *vec b| .

vec a=4hat i-hat j+hat k+hat k,vec b=2hat i+hat j+7hat k,vec c=-3hat i-4hat j+2hat k and vec d=hat i+hat j+hat k then find the value of 3vec a+2vec b-4vec c-vec d

If vec a = 2hat i -3 hat j+ 3hat k and vec b =3 hat i- hat j - 4 hat k , find vec a + vec b .

If vec a = 2hat i - hat j+ 3hat k and vec b =4 hat i+ hat j - 3 hat k , find vec a + vec b .

If vec a=2hat i+2hat j-3hat k,vec b=hat i-2hat j+2hat k,vec c=4hat i+3hat j+3hat k then find the value of |vec a+2vec b+2vec c|

If vec a=hat i+2hat j-3hat k and vec b=2hat i+4hat j+9hat k find a unit vector parallel to vec a+vec b