Question

what is the magnitude of vector A=2i+j+2k=? i want answer in degrees

Answer 1

Answer:

we know that magnitude of a vector is√x^2i+y^2j+z^2k

=A=2i+j+2k

|A|=√(2)^2+(1)^2+(2)^2

|A|=√4+1+4

|A|=√9