)求下列极限:-|||-(1) lim _(xarrow 1)dfrac ({x)^2-x+1}({(x-1))^2} =-|||-(3) lim _(xarrow infty )((dfrac {2x+3)(2x+1))}^x+1 ;-|||-(5) lim _(xarrow 0)((dfrac {{a)^x+(b)^x+(c)^x}(3))}^dfrac (1{x)}(agt 0,bgt 0,cgt 0) ;-|||-(7) lim _(xarrow a)dfrac (ln x-ln a)(x-a)(agt 0) ;-|||-(2) lim _(xarrow +infty )x(sqrt ({x)^2+1}-x) ;-|||-(4) lim _(xarrow 0)dfrac (tan x-sin x)({x)^3} :-|||-((6)lim(sin x)^1anx;-|||-arrow dfrac (pi )(2)-|||-(8) lim _(xarrow 0)dfrac (xtan x)(sqrt {1-{x)^2}-1}

3.求下列函数的极限.-|||-(1) lim _(xarrow infty )x((e)^dfrac (1{x)}-1);-|||-(2) lim _(xar

9.求下列函数的极限-|||-(1) lim _(xarrow -1)dfrac ({x)^3-1}(x-1) =-|||-(3) lim _(xarrow i

9.求下列函数的极限-|||-(1) lim _(xarrow -1)dfrac ({x)^3-1}(x-1);-|||-(3) lim _(xarrow in

求极限lim _(xarrow infty )((1-dfrac {1)(2x))}^dfrac (3{2)x}求极限

16、求极限 lim _(xarrow infty )((dfrac {x-1)(x+2))}^3x

1.计算下列极限:-|||-(1) lim _(xarrow -1)dfrac ({x)^2+2x+1}(x-1) ;-|||-(3) lim _(xarrow

求下列极限lim _(xarrow infty )dfrac ({(1+dfrac {1)(x))}^(x^2)}({e)^x}求下列极限

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

求极限lim _(xarrow infty )dfrac (1+2{e)^x}(1-3{e)^2x}-|||-__-|||-lim _(xarrow {0)^+

求下列极限:-|||-lim _(xarrow +infty )(({2)^x+(3)^x)}^dfrac (1{x)}