Casio ClassPad II Custom Commands

vectorej(a, b)

• a, b are vectors

Returns the vector rejection of a perpendicular to b.

Example

Find the vector rejection of \(2\boldsymbol{\hat{\imath}} - \boldsymbol{\hat{\jmath}} + 3\boldsymbol{\hat{k}}\) perpendicular to \(\boldsymbol{\hat{\imath}} + \boldsymbol{\hat{\jmath}} - \boldsymbol{\hat{k}}\). (2019 NHT Specialist Exam 2 Section A Question 11)

Contributed by Nhan