1.

Evaluate `lim_(xto3) ((x^(2)-9))/((x-3))`

Answer» Given, `underset(xto3)"lim"(x^(2)-9)/(x-3) = underset(xto3)"lim"(x^(2)-(3)^(2))/(x-3)`
`underset(xto3)"lim"((x+3)(x-3))/((x-3))= underset(xto3)"lim"(x+3)`
`=3+3=6`


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