\documentclass[10pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage[varg]{txfonts} \begin{document} \title{Problems for Tutorial-05: Solution of equations} \date{} \maketitle \begin{enumerate} \item Write a Scilab script to find the intersection of the circle $x^2 + y^2 - 25 = 0$ and the plane $x + 2y = 5$. \item Find the solution of the equation $t \, \mathrm{e}^{-x \,t} + \cos(t) \, \sin(t) + x = 0$ and $x+t-1 = 0$. \end{enumerate} {\bf Solution:} \begin{enumerate} \item $x = 5$, $y = 0$. \item $x = 1.5054495 , t = -0.5054495$ \end{enumerate} \end{document}