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
2750 Views
See similar Further Mathematics A Level tutorsRelated Further Mathematics A Level answers
All answers ▸The cubic equation 27(z^3) + k(z^2) + 4 = 0 has roots α, β and γ. In the case where β=γ, find the roots of the equation and determine the value of k
A=[5k,3k-1;-3,k+1] where k is a real constant. Given that A is singular, find all the possible values of k.
Write 1 + √3i in modulus-argument form
Given that f(x)=2sinhx+3coshx, solve the equation f(x)=5 giving your answers exactly.