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

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

lim_(x->0) (x^2-3x+1)/(x-1)

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

lim_(x to 1/2) (2x^2-3x+1)/(2x-1) = ?

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

lim_(x rarr1)(x^((2)/(3))-2(x^((1)/(3))+1))/((x-1)^(2)) is equal to