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9.-site-5 बराबर है :०) log-3)+ca) log (x -1) -2)/५८(d) log |(x-1) (-2)+C |
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Answer» x/( x-1)(x-2)=A/( x-1) + b/( x-2); x/( x-1)( x-2)=A( x-2)+B( x-1)/( x-1)( x-2); by cancelling denomater x=A(x-2)+B(x-1), putting x=1in (1); 1=A(1-2)+B(1-1)=1=A(-1); A=-1, similarly x=2 in (1); x=A(x-2)+B(x-1); 2=A(.2-2)+B( 2-1); 2=B; B=2. (b) |
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