# 12.2-3 - Math 2433 : 18409 Meghna Mittal [email protected]/* <![CDATA[ */!function(t,e,r,n,c,a,p){try{t=document.currentScript||function(){for(t=document.getElementsByTagName('script'),e=t.length;e--;)if(t[e].getAttribute('data-cfhash'))return t[e]}();if(t&&(c=t.previousSibling)){p=t.parentNode;if(a=c.getAttribute('data-cfemail')){for(e='',r='0x'+a.substr(0,2)|0,n=2;a.length-n;n+=2)e+='%'+('0'+('0x'+a.substr(n,2)^r).toString(16)).slice(-2);p.replaceChild(document.createTextNode(decodeURIComponent(e)),c)}p.removeChild(t)}}catch(u){}}()/* ]]> */..

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Math 2433 : 18409 Meghna Mittal [email protected] Course Homepage http://www.math.uh.edu/~mittal/Math2433.html Office Hours in 676 PGH 1:15 - 2:00 pm MF Starting January 25, 2010

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Few Announcements: Homework 1 is posted on the course homepage BUT you do not need to turn it in. Treat these homework problems as practice problems. First Written Quiz is being (or was) given in your lab today. First Online Quiz is available on Courseware http://www.casa.uh.edu Expires on Jan 29!
Last Time: 1. Cartesian Space Coordinates 2. Distance Formula 3. Midpoint Formula 4. Equation of a Sphere Lecture notes are posted on the course homepage http://www.math.uh.edu/~mittal/Math2433.html

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Vectors A vector is determined by its magnitude AND direction . Definition A vector is an ordered triple (in space) where addition and multiplication by scalars holds: (a 1 , a 2 , a 3 ) + (b 1 , b 2 , b 3 )=(a 1 + b 1 , a 2 + b 2 , a 3 + b 3 ) α (a 1 , a 2 , a 3 )= a 1 , α a 2 , α a 3 ) Notation: Use arrow to indicate vector, for example, OP
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## This note was uploaded on 09/11/2010 for the course MATH 2433 taught by Professor Bob during the Spring '10 term at University of Houston-Victoria.

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12.2-3 - Math 2433 : 18409 Meghna Mittal [email protected]..

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