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

2485 Views

See similar Further Mathematics A Level tutors

Related Further Mathematics A Level answers

All answers ▸

I don't understand how proof by mathematical induction works, can you help?


Given that f(x)=2sinhx+3coshx, solve the equation f(x)=5 giving your answers exactly.


A block of mass 50kg resting on a rough surface with a coefficient of friction equal to 1/3. Find the maximum angle at which the surface can be inclined to the horizontal without the block slipping. Give your answer to 3 significant figures


Can you express 3 + 4j in polar form?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning