Expand the expression (1+3x)^1/3 up to the term x^3.

= 1 + 3x1/3 + (1/3-2/3)(3x)^2 + (1/3*-2/3*-5/3)(3x)^3

= 1 + x - 2x^2 + 10x^3 

PV

Related Maths A Level answers

All answers ▸

What is the indefinite integral of xlog(x)?


F = 5i + 3j. Find the magnitude and direction of F?


Solve for x, 5sin(x) - 3cos(x) = 2 , in the interval 0<x<2pi


If n is an integer such that n>1 and f(x)=(sin(n*x))^n, what is f'(x)?