计算极限
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计算极限.
求lim _(xarrow 0)dfrac ({x)^2+3x}(2{x)^2-1}.求.
2.求下列极限:-|||-(1) lim _(xarrow 0)dfrac ({x)^2-1}(3{x)^2-x-2}
求下列极限（3）lim _(xarrow infty )(dfrac ({x)^3}(2{x)^2-1}-dfrac ({x)^2}(2x+1))求下列极限（3
求下列极限:-|||-__-|||-(3) lim _(xarrow 1)dfrac ({x)^2-1}({x)^2+2x-3};
计算下列函数的极限。-|||-lim _(xarrow 1)dfrac ({x)^2-3x+2}({x)^2-1}
计算函数极限(1)lim _(xarrow 1)dfrac (x-3)(x+2)(2)lim _(xarrow 1)dfrac (x-3)(x+2)(3)lim
计算下列极限:-|||-lim _(xarrow 1)(dfrac (2)({x)^2-1}-dfrac (1)(x-1)).
极限 lim _(xarrow 1)dfrac ({x)^2-1}(1-x)=（ ）极限（ ）A.-2B.0C.2D.1
1.求下列极限.-|||-(1) lim _(xarrow -2)(3(x)^2-5x+2) --|||-(4) lim _(xarrow 1)dfrac ({
计算下列极限lim _(xarrow 0)(x)^2sin dfrac (1)(x)lim _(xarrow 0)(x)^2sin dfrac (1)(x)计算