If x = 3, what is the sum of `2x(2x+1), (2x+2),(2x+3),` and `(2x+4)`?

If x_1 x_2 x_3 = 4(4 + x_1 + x_2 + x_3 ) , then what is the value of [1//(2 + x_1 )] + [1//(2 + x_2 )] + [1//(2 + x_3 )] ?

If x_1 x_2 x_3=4(4+x_1+x_2+x_3) , then what is the value of [1//(2+x_1)]+[1//(2+x_2)]+[1//(2+x_3)] ? यदि x_1 x_2 x_3=4(4+x_1+x_2+x_3) है, तो [1//(2+x_1)]+[1//(2+x_2)]+[1//(2+x_3)] का मान क्या है?

Find the sum of x+2x^(2)+3x^(3)+4x^(4) +...

If (x+4)^3+(2x+1)^3+(2x+5)^3= (3x +12) (2x +1)(2x +5) , then what is the value of x ? यदि (x+4)^3+(2x+1)^3+(2x+5)^3= (3x +12) (2x +1)(2x +5) है, तो x का मान ज्ञात करें |

Add 2x^2-3x+1 to the sum of 3x^2-2x and 3x+7.

Add 2x^2-3x+1 to the sum of 3x^2-2x and 3x+7.

Without expanding, find the value of: (2x - 1)^4 + 4(2x - 1)^3 (3 - 2x) + 6(2x - 1)^2 (3 - 2x)^2 + 4(2x - 1) (3 - 2x)^3 + (3 - 2x)^4

If x ne 0 then the sum of the series 1+(x)/(2!)+(2x^(2))/(3!)+(3x^(3))/(4!)+..to infty is

If x ne 0 then the sum of the series 1+(x)/(2!)+(2x^(2))/(3!)+(3x^(3))/(4!)+..to infty is