lim_(x rarr1){(x^(3)+2x^(2)+x+1)/(x^(2)+2x+3)}^((1-cos(x-1))/((x-1)^(2)))

lim_(x rarr1)((x^(4)+x^(2)+x+1)/(x^(2)-x+1))^((1-cos(x+1))/((x+1)^(2))) is equal to 1 (b) ((2)/(3))^((1)/(2))(c)((3)/(2))^((1)/(2))(d)e^((1)/(2))

lim_(x rarr1)((2x^(2)-x-1)/(x^(2)+x-2))=?

lim_(x->1)[(x^3+2x^2+x+1)/(x^2+2x+3)]^((1-cos(x-1))/(x-1)^2)

lim_(x rarr1)(x^(3)+x^(2)-2)/(sin(x-1))

lim_(x rarr1)(x^(2)-2x+1)/(x^(2)-x)

lim_(x rarr1)(x^(3)-x^(2)log x+log x-1)/(x^(2)-1) =

lim_(x rarr1)(x^(2)+x+1)/(2x+3)

lim_(x rarr1)(x^(2)-1)/(x-1)