Editing table of contents

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\title{{\huge{\textbf{Further Pure Mathematics 1}}}\
{\Large For CAIE's 9231 syllabus}}
\author{by Yousef Ibrahim}
\date{}

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\begin{document}

\pagenumbering{gobble}
\include{Covers/cover}
%\include{Covers/alternative}
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\include{Preface}
\tableofcontents
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\include{Covers/Roots of polynomial cover}
\include{Chapters/Chapter 1}

\include{Covers/Rational functions cover}
\include{Chapters/Chapter 2}

\include{Covers/Summation of series}
\include{Chapters/Chapter 3}

\include{Covers/Matrices 1}
\include{Chapters/Chapter 4}

\include{Covers/Polar coordinates}
\include{Chapters/Chapter 5}

\include{Covers/Vectors}
\include{Chapters/Chapter 6}

\include{Covers/Proof by induction}
\include{Chapters/Chapter 7}

\end{document}