Find `lambda,` when the projection of ` vec a=lambda hat i+ hat j+4 hat k\ on\ vec b=2 hat i+6 hat j+3 hat k\ i s\ 4\ ` units.

Find lambda, when the projection of vec a=lambdahat i+hat j+4hat k on vec b=2hat i+6hat j+3hat k is 4 units.

Find 'lambda' when the projection of vec(a) = lambda hat(i) + hat(j) + 4hat(k) on vec(b) = 2hat(i) + 6hat(j) + 3hat(k) is 4 units.

Find lambda where projection of vec (a) = lambda hat (i) + hat (j) + 4 hat (k) on vec (b) = 2 hat (i) + 6 hat (i) + 3 hat (k) is 4 unit

Find lambda where projection of vec (a) = lambda hat (i) + hat (j) + 4 hat (k) on vec (b) = 2 hat (i) + 6 hat (i) + 3 hat (k) is 4 unit

Find the projection of vec(a) = 2 hat(i) - hat(j) + hat(k) on vec(b) = hat(i) - 2 hat(j) + hat(k) .

Find vec adot vec b when: vec a= hat i-2 hat j+ hat k\ a n d\ vec b=4 hat i-4 hat j+7 hat k

Find lambda for which vec a = lambda hat i - hat j + 5 hat k and vec b = 3 hat i + 4 hat j - hat k are orthogonal.

If the projection of vec(a) = lamda hat(i) + hat(j) + 4hat(k) " on " vec(b) = 2hat(i) + 6hat(j) + 3hat(k) is 4 units, then find lamda

Find lambda so that the vectors vec a=2 hat i- hat j+ hat k ,\ vec b= hat i+2 hat j-3 hat k\ a n d\ vec c=3 hat i+lambda hat j+5 hat k are coplanar.