C# insert math equation and symbol to Word document

using Spire.Doc;
using Spire.Doc.Documents;
using System;
namespace InsertMath;

    class Program
    {
       
        static void Main(string[] args)
        {
            //create a word document
            Document doc = new Document();

            //add a section
            Section section = doc.AddSection();

            //add a paragraph to the section 
            Paragraph paragraph = section.AddParagraph();

            //add a LatexMathcode to the first paragraph
            OfficeMath officeMath = new OfficeMath(doc);
            paragraph.Items.Add(officeMath);
            officeMath.FromLatexMathCode("x^{2}+\\sqrt{x^{2}+1}=2");

            //add equation to the second paragraph
            Paragraph paragraph2 = section.AddParagraph();
            OfficeMath officeMath1 = new OfficeMath(doc);
            paragraph2.Items.Add(officeMath1);
            officeMath1.FromLatexMathCode("\\forall x \\in X, \\quad \\exists y \\leq \\epsilon");

            //add symbols to the third paragraph
            Paragraph paragraph3 = section.AddParagraph();
            OfficeMath officeMath2 = new OfficeMath(doc);
            paragraph3.Items.Add(officeMath2);
            officeMath2.FromLatexMathCode(" \\alpha,\\beta, \\gamma, \\Gamma, \\pi, \\Pi, \\phi, \\varphi, \\mu, \\Phi");

            //save the document to file       
            doc.SaveToFile("Equation.docx", FileFormat.Docx);
            System.Diagnostics.Process.Start("Equation.docx");
        }
    }
}