`(3x)/(x-3)^2`
Let`(3x)/(x-3)^2=A/(x-3)+B/(x-3)^2`
`(3x)/(x-3)^2=(A(x-3)+B)/(x-3)^2`
`:.3x=A(x-3)+B`
`3x=Ax-3A+B`
equating the coefficients of the like terms,
`A=3`
`-3A+B=0`
plug the value of the A in the above equation,
`-3(3)+B=0`
`-9+B=0`
`B=9`
`:.(3x)/(x-3)^2=3/(x-3)+9/(x-3)^2`
`(3x)/(x-3)^2`
Let`(3x)/(x-3)^2=A/(x-3)+B/(x-3)^2`
`(3x)/(x-3)^2=(A(x-3)+B)/(x-3)^2`
`:.3x=A(x-3)+B`
`3x=Ax-3A+B`
equating the coefficients of the like terms,
`A=3`
`-3A+B=0`
plug the value of the A in the above equation,
`-3(3)+B=0`
`-9+B=0`
`B=9`
`:.(3x)/(x-3)^2=3/(x-3)+9/(x-3)^2`
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