Question
A rod has length7meters. At a distancexmeters from its left end, the density of the rod is given by(x) =6x+9gm/m. http://www.webassign.net/userimages/rod.JPG?db=v4net&id=290605 (a) Find the approximate
A rod has length7meters. At a distancexmeters from its left end, the density of the rod is given by(x) =6x+9gm/m.
http://www.webassign.net/userimages/rod.JPG?db=v4net&id=290605
(a) Find the approximate mass of the slice at a distance ofxmeters from the left end. You can write Delta or usein the CalcPad.
(6x+9)dx
(b) Find the exact total mass of the rod.
mass = 231
I found the answer to part a, which is correct, but I am trying to type in my answer to part b and it is saying that I am incorrect. Can someone please help?
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
