Puzzles Forum: Mirror puzzle..

Mirror puzzle..

Posted by Bill on 29/6/2009, 12:35 am

A parabolic mirror is formed by revolving the part of the parabola y^2 = 4ax from x = 0 to x = h about the axis of the parabola. If the width of the mirror is 2k, find the area of its surface.

Message Thread:

Mirror puzzle.. - Bill 29/6/2009, 12:35 am
- Re: Mirror puzzle.. - QBrute 29/6/2009, 3:10 pm
  - Re: Mirror puzzle.. - Bill 30/6/2009, 12:51 am
- how about.... - markr 29/6/2009, 1:15 am
  - Re: how about.... - Bill 29/6/2009, 5:21 am
    - oops, how about... - markr 29/6/2009, 6:31 am
      - Re: oops, how about... - Bill 30/6/2009, 12:55 am
        
        Re: oops, how about... - markr 30/6/2009, 3:13 am
        
        Re: oops, how about... - Bill 30/6/2009, 4:08 am
        
        Got it ! - Bill 2/7/2009, 4:13 am
        
        Care to share? - markr 3/7/2009, 12:45 am
        
        Re: Care to share? - Bill 3/7/2009, 12:11 pm
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