`[veci" "vecj" "veci+vecj]` का मान निम्नलिखित में कौन -सा हैं ?

Find the shortest distance between the following pair of parallel lines whose equation are: vecr = veci + 2 vecj + 3veck + lamda (veci - vecj + veck) and vecr = 2 veci - vecj - veck + mu (-veci + vecj - veck) is

Find |vecaxxvecb| , if veca = veci - 7vecj + 7veck and vecb = 3veci - 2vecj + 2veck

If points A (60 veci + 3vecj ) , B (40 veci - 8 vec j) and C ( a veci - 52 vecj ) are collinear then a is equal to

The shortest distance between the lines vecr = (2 veci -vecj - veck) + lamda ( 2 veci + vecj + 2 veck) and vecr = (veci + 2 vecj + veck) + mu ( veci - vecj + veck) is

Find angle 'Ɵ' between the vectors veca = veci + vecj - veck and vecb = veci - vecj + veck .

If veca = 2veci + 2vecj + 3veck, vecb = -veci + 2vecj + veck and vecc = 3veci + vecj are such that veca + lambdavecb is perpendicular to vecc , then find the value of lambda

Find the projection of the vector veca = 2veci + 3vecj + 2veck on the vector vecb = veci + 2vecj + veck

A unit vector coplanar with veci + vecj + 2veck and veci + 2 vecj + veck and perpendicular to veci + vecj + veck is _______

A unit vector coplanar with veci + vecj + 2veck and veci + 2 vecj + veck and perpendicular to veci + vecj + veck is _______