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[Post New]30 Apr 2007 16:29:59 IST
    Subject: Definite Integrals & Maxima, Minima
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ank_einstein (51)

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Olaaa!! Perrrfect answer. 7  [15 rates]
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it is a 3rd degreee polynomial

let it b f(x)= ax^3 + bx^2 +cx +d.

f'(X)=3ax^2+2bx+c;

f'(1)=0=>3a+2b+c=0;

f'(3)=0=>9a+6b+c=0;

f(1)=a+b+c+d=6;

f(3)=27a+9b+3c+d=2;

solving them we get:

the function f(X);
nitegrating b/w the liomits we get the value .
plz rate me if u find it useful






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