let a = ci + j and b= 4i + 3j. Find c so that and b are orthogonal
2 answers
what is the value of c?
orthogonal means they are perpendicular, that is, their dot product is zero
(c,1) dot (4,3) = 0
4c + 3 = 0
c = -3/4
(c,1) dot (4,3) = 0
4c + 3 = 0
c = -3/4