x^(-4)(3-4x^(-5))

If f(x)=(x^(2))/(1.2)-(x^(3))/(2.3)+(x^(4))/(3.4)-(x^(5))/(4.5)+..oo then

If f(x)=(x^(2))/(1.2)-(x^(3))/(2.3)+(x^(4))/(3.4)-(x^(5))/(4.5)+..oo then

Determine whether (x + 1) is a factor of the follwing polynomials or not : x^(4)+x^(3)+x^(2)+4x+5

Differentiate sqrt(((x-3)(x^(2)+4))/(3x^(2)+4x+5)) with respect to x.

The number of positive integral solutions of,(x^(2)(3x-4)^(3)(x-2)^(4))/((x-5)^(2)*(2x-7)^(6))<=0 is 1 (b) 2 (c) 3 (d) 4

Differentiate sqrt(((x-3)(x^(2)+4))/(3x^(2)+4x+5)) w.rt x

Evauate lim_(xto1) (x^(4)-3x^(4)+2)/(x^(3)-5x^(2)+3x+1).

Evauate lim_(xto1) (x^(4)-3x^(4)+2)/(x^(3)-5x^(2)+3x+1).

Evauate lim_(xto1) (x^(4)-3x^(4)+2)/(x^(3)-5x^(2)+3x+1).

The biquadratic equation, two of whose roots are 1+i , 1-sqrt(2) is A) x^(4)-4x^(3)+5x^(2)-2x-2=0 B) x^(4)-4x^(3)-5x^(2)+2x+2=0 C) x^(4)+4x^(3)-5x^(2)+2x-2=0 D) x^(4)+4x^(3)+5x^(2)-2x+2=0