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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication3
{
public partial class Form1: Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
double a, b, x;
a = double.Parse(textBox1.Text);
b = double.Parse(textBox2.Text);
b = double.Parse(textBox2.Text);
if (a == 0 && b!=0) label3.Text = " ";
if (a == 0 && b == 0) label3.Text = " ";
if (a!= 0)
{
x = -b / a;
label3.Text = ": = " + x.ToString();
}
}
private void button2_Click(object sender, EventArgs e)
{
textBox1.Text = "";
textBox2.Text="";
label3.Text="";
}
}
}
2. y = [a,b] h.
Private void button1_Click(object sender, EventArgs e)
{
Double a, b, h, x, y;
a = double.Parse(textBox1.Text);
b = double.Parse(textBox2.Text);
h = double.Parse(textBox3.Text);
x = a;
label4.Text ="| x | y |"+(char)13;
while (x <= b)
{
y = (x * Math.Sin(3 * x) + x * x * x + 5 * Math.Cos(x)) / Math.Sqrt(x * x + 3);
y = Math.Round(y, 3);
x = x + h;
label4.Text = label4.Text + "| " + x.ToString() + "| " + y.ToString() + "|" + (char)13;
}
}
Private void button2_Click(object sender, EventArgs e)
{
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
label4.Text = "";
}
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4. y= [a,b] h.
5. s = e.
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