Question

Calculate vector b so that the vector 3i+5j+bk is normal to resultant of 6i-5j and 9i-2k

Answer 1

Answer:

b = 2k

explanation

6i - 5j = 9i - 2k

-5j + 2k = 9i - 6i

-5j + 2k = 3i

2k = 3i + 5j

let we add zero(0)

2k = 3i + 5j + 0

3i + 5j + 2k