`(x^2timesx^3timesy^3timesy^4)/(x^5timesy^2)=`

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

The sum of the series 1/2x^2+2/3x^3+3/4x^4+4/5x^5+ ... is :

The coefficient of x^5 in the expansion of (1+x/(1!)+x^2/(2!)+x^3/(3!)+x^4/(4!)+x^5/(5!))^2 is

Simplify: 9x^4(2x^3-5x^4)xx5x^6(x^4-3x^2)

Find the derivative of (x^(3) - 3x^(2) + 4)(4x^(5) + x^(2) -1) :

1+(omegax)/(1!) +(omega^2x^2)/(2!)+(omega^3x^3)/(3!)+(omega^4x^4)/(4!)+(omega^5x^5)/(5!)+ .....oo =

lim_(x->1)(x^4-3x^2+2)/(x^3-5x^2+3x+1)

The sum of the series (x^(2))/(2)+(2)/(3)x^(3)+(3)/(4)x^(4)+(4)/(5)x^(5)+….=

The number of irrational roots of the equation (4x)/(x^2+x+3)+(5x)/(x^2-5x+3)=-3/2 is

The number of irrational roots of the equation (4x)/(x^2+x+3)+(5x)/(x^2-5x+3)=-3/2 is (a) 4 b. 0 c. 1 d. 2