If `(1,2,4) and (2,-lamda,-3)` are the initial and terminal points of the vector `hati+5hatj-7hatk` then the value `lamda` is equal to (A) `7` (B) `-7` (C) `-5` (D) `5`

find the projection of the vector hati+3hatj+7hatk on the vector 7hati-hatj+8 hatk

The projection of the vector 2hati+ahatj-hatk on the vector hati-2hatj+hatk is -5/sqrt(6) then the value of a is equal to (A) 1 (B) 2 (C) -2 (D) 3

Find the projection of the vector hati-2hatj+hatk on the vector 4hati-4hatj+7hatk .

vector vecc are perpendicular to vectors veca= (2,-3,1) and vecb= (1, -2,3) and satifies the condition vecc. (hati + 2hatj - 7 hatk) = 10 then vector vecc is equal to (a) (7,5,1) (b) (-7,-5,-1) (c) (1,1,-1) (d) none of these

The vectors hati+2hatj+3hatk,lamdahati+4hatj+7hatk,-3hati-2hatj-5hatk are collinear, of lamda is equal to (A)3 (B)4 (C)5 (D)6

The projection of the vector vecA = hati - 2hatj + hatk on the vector vecB = 4hati - 4hatj + 7hatk is

Find the value of lamda so that the two vectors 2hati+3hatj-hatk and -4hati-6hatj+lamda hatk are parallel

The two vectors veca =2hati+hatj+3hatk and vecb =4hati-lamdahatj+6hatk are parallel, if lamda is equal to: a) 2 b) -3 c) 3 d) -2

If the vectors veca=2hati-hatj+hatk, vecb=hati+2hatj-hat(3k) and vecc= 3hati+lamda hatj+5hatk are coplanar the value of lamda is (A) -1 (B) 3 (C) -4 (D) -1/4

Find the scalar and vector components of the vector with initial point A(2,1) and terminal point B\ (-5,7)dot