Download - prog c++
16
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
int x,y,count1;
float t;
cout<<"enter any no. greater than 3"<<endl;
cin>>x;
t=x/2;
for(y=2;y<=t;y++)
{
if(x%y==0)
count1=1; }
if(count1==1)
cout<<"the no is not prime";
else
cout<<"the no.is prime";
return 0;}
17
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
int n,m,x,y,z,count1=0,a=0,b=0;
float t;
cout<<"enter any two no. greater than 3"<<endl;
cin>>m>>n;
while(m<=n)
{
t=sqrt(m);
count1=0;
for(y=2;y<=t;y++)
{
if(m%y==0)
count1=1;
}
if(count1!=1)
cout<<"the prime no is "<<m<<"\n";}
m++;
}
return 0;}
18
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
int n,m,x,y,z,count1=0,a=0,b=0;
float t;
cout<<"enter any two no. greater than 3"<<endl;
cin>>m>>n;
while(m<=n)
{
t=m/2;
count1=0;
for(y=2;y<=t;y++)
{
if(m%y==0)
count1=1;
}
if(count1==1)
cout<<"the no is not prime\n";
else
{cout<<"the no.is prime\n";
a=a+1;}
m++;
}
cout<<"\n The no of prime no.is"<<a;
return 0;
}
24
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
float a=0,x,b=0,i,y,n,z,sum=0,f;
cout<<"enter any no. and the n(th)term \n";
cin>>x>>n;
while(a<n&&b<n)
{
a++;
b++;
f=1;
for(i=1;i<=b;i++)
{ f=f*i;
}
y=(pow(x,a))/f;
cout<<y<<" ";
sum = sum + y;
}
cout<<"="<<sum+1;
return 0;
}
23
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
float a=0,x,b=0,y,n,z,sum=0;
cout<<"enter any no. and the n(th)term \n";
cin>>x>>n;
while(a<n&&b<n)
{
a++;
b++;
y=(pow(x,a))/b;
sum = sum + y;
}
cout<<sum+1;
return 0;
}
22
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
int x,y,n,z,sum=0;
cout<<"enter any no. and the n(th)term \n";
cin>>x>>n;
for(z=1;z<=n;z++)
{
y=pow(x,z);
sum = sum + y;
}
cout<<(2*x)-sum;
return 0;
}
26
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
float b=0,i,y,n,z,sum=0,f;
int x,a=0;
cout<<"enter any no. and the n(th)term \n";
cin>>x>>n;
{
while(a<2*n&&b<2*n)
{
a++;
b++;
if(a%2!=0)
{
f=1;
for(i=1;i<=b;i++)
{ f=f*i;
}
y=(pow(x,a))/f;
sum = sum + y;
}}
cout<<"="<<sum+1-x;
return 0;
}}
