14 14 14 then a v v 23 the equation is 2x 1 3y

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: v⊥ = a − v = 43 37 46 i+ j− k. 14 14 14 Then a = v + v⊥ 2.3 The equation is 2(x − 1) + 3(y + 2) − 4(z − 3) = 0 or 2x + 3y − 4z + 16 = 0. 2.4 We make two vectors: v = QP = 3, 2, −4 and u = QR = 5, −2, 4 . Then the area of the triangle △P QR is half of the area, A, of parallelogram with edges u and v: A= 1 v×u . 2 Since we get √ A=8 5 ij k v × u = 3 2 −4 = −32j − 16k = −16 (2j + k) , 5 −2 4...
View Full Document

This document was uploaded on 03/01/2014 for the course MTH 243 at Rhode Island.

Ask a homework question - tutors are online