таблица 5 - 12

#include <iostream>
#include <math.h>
using namespace std;

int down(float x){
int n;
if (pow(x,4)-1<=0 || x+1<=0) n=0;
else n=1;
return n;
}
float main()

{ float x,a,b,y,h;
cin>>a>>b>>h;
for (x=a;x!=b+h;x+=h) {
switch (down(x))
{
case 1:cout<<x<<" :"<<log(pow(x,4)-1)*(log(1+x))<<" "<<endl;break;
case 0: cout<<x<<" :NOT FOUND"<<endl;break;}
}
system ( "pause" );
return 0;
}