I solved the attached question in two ways an got different answers
the first is by calculating the unit vector of v and then using the formula (c.v)v
the second is by using the formula {(c.v)/(|v|^2)}(v)
which is the correct answer and why?
I solved the attached question in two ways an got different answers
the first is by calculating the unit vector of v and then using the formula (c.v)v
the second is by using the formula {(c.v)/(|v|^2)}(v)
which is the correct answer and why?