My code
Code: Select all
Code, edit and compile here:
\documentclass[11pt]{article}\usepackage{amsmath}\usepackage{amssymb}\usepackage[a4paper,body={},top=1.5cm, left=2.5cm,right=1cm,bottom=2.5cm,nohead]{geometry}%=============== Begin Document ==================\begin{document}\begin{enumerate}\item Question \#1\\{\bf Answer.}2-2.7+2.7^2-...+2(-7)^n=$\frac{1-(-7)^n+1}{4}\end{enumerate}\end{document}
Code: Select all
2-2.7+2.7^2-...+2(-7)^n=$\frac{1-(-7)^n+1}{4}