If `(ax-1)/((1-x+x^(2))(2+x))=(x)/(1-x+x^(2))-(1)/(2+x)` then, `a=`

If (1)/(x^(4)+x^(2)+1)=(Ax+B)/(x^(2)+x+1)+(Cx+D)/(x^(2)-x+1) then

If (1)/(x^(4)+x^(2)+1)=(Ax+B)/(x^(2)+x+1)+(Cx+D)/(x^(2)-x+1) then C+D=

If (1)/(x^(4)+x^(2)+1)=(Ax+B)/(x^(2)+x+1)+(Cx+D)/(x^(2)-x+1) then C+D

(1-2x+x^(2))/(1-x^(3))times(1+x+x^(2))/(1+x)

If (x^(4)+1)/((x-1)(x-2))=Ax^(2)+Bx+C-(2)/(x-1)+(17)/(x-2) then, the values of A, B and C are ?

If lim_(x rarr(1)/(2))(ax^(2)+bx+c)/((2x-1)^(2))=(1)/(2) then lim_(x rarr2)((x-a)(x-b)(x-c))/(x-2) is

If f(x)=x+tan x and g(x) is inverse of f(x) then g'(x) is equal to (1)(1)/(1+(g(x)-x)^(2))(2)(1)/(1-(g(x)-x)^(2))(1)/(2+(g(x)-x)^(2))(4)(1)/(2-(g(x)-x)^(2))

If (d)/(dx)backslash((1+x^(2)+x^(4))/(1+x+x^(2)))=ax+b, then (a,b)=

If x_(1) = 2 tan^(-1) ((1 + x)/(1 -x)), x_(2) = sin^(-1) ((1 - x^(2))/(1 + x^(2))), " where " x in (0, 1) , then x_(1) + x_(2) is equal to