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1. Given a constant a>0 , show that aaf(x)dx=a0[f(x)+f(x)]dx.....andhence,evaluate11ln(x+1+x2)dx

 

 

 

 

 

 

2.Prove or disprove : If f is continuous , then 10f(x)dx=10f(1x)dx

 Apr 11, 2016
 #1
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#2    1                                                                          1

               1/2x^2   =   1/2 (1^) = 1/2                                       x-1/2x^2  =  1- 1/2(1^2) = 1/2     

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 Apr 11, 2016

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