Wangm1 - Math 202 Calculus III Midterm 1 Your PRINTED name...

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Math 202 – Calculus IIIMidterm 103/05/2010Grading130220330420510Total:IYour PRINTED name is: SolutionsIPlease circle your section:(1)T 1:30Hodson 216McGonagle, Matthew(2)T 3:00Bloomberg 168McGonagle, Matthew(3)Th 4:30Krieger 308Lin, Longzhi(4)Th 1:30Shaffer 300Lin, Longzhi(5)Th 4:30Krieger 300Banerjee, Romie(6)Th 1:30Dunning 205Banerjee, Romie(7)Th 3:00Bloomberg 168Lin, Longzhi(8)Th 4:30Krieger 302Cutrone, JosephIWrite out and SIGNthe pledge:I pledge my honor that I have not violatedthe Honor Code during this examination.Signature:Date:IThis is a 50 minutes in-class closed bookexam.This examination bookletcontains 5 problems, including one bonus problem, on 7 sheets of paper includingthe front cover. Please detach the last page before exam, which is intended foruse as scrap paper.
1(30 pts.)LetP= (2,1,0), Q= (1,1,1) andR= (0,-1,3) be three points inR3.(1) Find the cross product-→PQ×-→PR.
(2) Find the area of the triangle with verticesP, Q, R.

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