Determine if these two vectors are perpendicular. a=[1,4,8], b=[0,6,-3]
Start by determining dot product. a.b = 1x0 + 4x6 + 8*-3 = 0as a.b = |a||b|cos(theta)cos(theta) = 0therefore theta = 90 degTherefore vectors are perpendicular
PD
Answered by Peter D. • Further Mathematics tutor
2821 Views
See similar Further Mathematics A Level tutorsRelated Further Mathematics A Level answers
All answers ▸How do I integrate (sin x)^6?
How do you find the cube root of z = 1 + i?
Let f(x)=x^x for x>0, then find f'(x) for all x>0.
Let E be an ellipse with equation (x/3)^2 + (y/4)^2 = 1. Find the equation of the tangent to E at the point P where x = √3 and y > 0, in the form ax + by = c, where a, b and c are rational.