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Mathematics

Cool goIITian

 Joined: 21 May 2007 Post: 98
6 Jan 2009 20:55:13 IST
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the eccen..............
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the eccentricity of d ellipse whose latus rectum is 4 and d distance of d vertex from d nearest focus is1.5 cm

plz give me a detailed ans

rates assured

Blazing goIITian

Joined: 8 Oct 2008
Posts: 8064
7 Jan 2009 00:32:17 IST
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hello dear..

2 b2  /  a  =  4

ae = 3/2

now solve it :

divide the two equations

put e2 = 1 - (b/a)2

e = 3/ 7.....

nudge me if i did some mistake in solving

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