Question

vectors : if a= i+2j and b=3i-5j find the magnitude of a.

Answer 1

\[\left| \left| a \right| \right| = \sqrt{1^{2}+ 2^{2}}\]

Answer 2

how did you get rid of the i and j ?

Answer 3

@Kanwar245

Answer 4

I used the formula of magnitude

Answer 5

here I used i and j components which is this case are 1 and 2 respectively

Answer 6

ok thankss