सदिश `vecA=3hati+4hatj` का परिमाण ज्ञात कीजिए ।

If vecA = 3hati - 4hatj and vecB=-hati - 4hatj calculate the direction of vecA + vecB

If vecA = 3hati + 4hatj and vecB = hati + hatj + 2hatk then find out unit vector along vecA + vecB .

Given that vecA = 3hati + 4hatj +5hatk . Find vecB such that vecB.vecA= 38 and vecB xx A = - hati + 2 hatj - hatk .

If vecA = 3hati - 4hatj and vecB = -hati - 4hatj , calculate the direction of vecA- vecB .

If vecA = 3hati - 4hatj and vecB = -hati - 4hatj , calculate the direction of vecA- vecB .

Find |veca xx vecb| where veca = 3hati + 4hatj and vecb = hati + hatj + hatk

If vecA=3hati+4hatj and vecB=6hati+8hatj and A and B are the magnitudes of vecA and vecB , then which of the following is not true?