Simplify :

`sqrtx / ( ( x + 1 ) ( x^2 - 4 ) )`

Simplify 5x(x + 2) + 4x

Intergrate the following with respect to x (i) 3sqrt(x^5) (ii) sqrtx - (1)/(sqrtx) (iii) (sqrtx + (1)/(x) )^2

Simplify the products: (x^(2)+x+1)(x^(2)-x+1)

Simplify : ((1)/(2)x(1)/(4))+((1)/(2)x6)