The Dot Product

Question

Find a value of b so that 20i-5j and -2i+bj are orthogonal

Answer 1

To find a value of b such that these vectors are orthogonal, set their dot product equal to zero: By comparing equation 1 and 2, the values of b=-8,

Hope so it will help you

Answer 2

Here you go! Hope this helps! Let me know if you have any questions

Answer 3

Two vectors are orthognonal if theit dot porduct is equal to zero, 0.