cf 1519A

#include<stdio.h>

int main()
{
    int t;
    scanf("%d", &t);

    while(t--)
    {
        long long r, b, d;
        scanf("%lld %lld %lld", &r, &b, &d);

        if(r > b)
        {
            if(r > b*(d+1)) printf("NO\n");
            else printf("YES\n");
        }
        else
        {
            if(b > r*(d+1)) printf("NO\n");
            else printf("YES\n");
        }
    }
}