JEE Main & Advanced
Mathematics
Vector Algebra
Question Bank
Modulus of vector Algebra of vectors
question_answer
If \[\mathbf{p}=7\mathbf{i}-2\mathbf{j}+3\mathbf{k}\] and \[\mathbf{q}=3\mathbf{i}+\mathbf{j}+5\mathbf{k},\] then the magnitude of \[\mathbf{p}-2\mathbf{q}\] is [MP PET 1987]