Q21 of 168 Page 762

Evaluate:



Let

Putting t=log x


dt=dx/x



Now putting,


A(t+1)+B(2t-3)=2t


Now put 2t-3=0


Therefore,




Now put t+1=0


Therefore, t=-1


A(0)+B(-2-3)=-2



Now From equation (1) we get,






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