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

1988 Views

See similar Further Mathematics A Level tutors

Related Further Mathematics A Level answers

All answers ▸

Prove that ∑(1/(r^2 -1)) from r=2 to r=n is equal to (3n^2-n-2)/(4n(n+1)) for all natural numbers n>=2.


Using a Suitable substitution or otherwise, find the differential of y= arctan(sinxcosx), in terms of y and x.


Find the complementary function to the second order differential equation d^2y/dx^2 - 5dy/dx + 6x = x^2


What is De Moivre's theorem?


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences