Answer Posted / sanath

#include <iostream.h>

void main()
{
int nTerm;
int x=1,y=3,z=5,mul1,total=0;

cout<<"Enter the NTerm:";
cin>>nTerm;
for(int i=1;i<=nTerm;i++)
{
mul1 = ((x++)*(y++)*(z++));

if(i%2)
total = total + mul1;
else
total = total - mul1;

}
cout<<"RESULT:"<<total<<endl;
}

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