import java.math.BigInteger;
import java.util.Scanner;

public class Main {
    private static boolean allzero(BigInteger [] a) {
        for (int i=0;i<a.length;i++)
            if (!a[i].equals(BigInteger.ZERO)) return false;
        return true;
    }
    private static boolean haszero(BigInteger [] a) {
        for (int i=0;i<a.length;i++)
            if (a[i].equals(BigInteger.ZERO)) return true;
        return false;
    }
    private static boolean test(BigInteger [] a) {
        for (int i=2;i<a.length;i++)
            if (!a[i-2].multiply(a[i]).equals(a[i-1].multiply(a[i-1]))) return false;
        return true;
    }
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        int t=in.nextInt();
        for (int tt=1;tt<=t;tt++) {
            int n=in.nextInt();
            BigInteger [] a=new BigInteger[n];
            for (int i=0;i<n;i++)
                a[i]=in.nextBigInteger();
            if (allzero(a)) System.out.println("Yes");
            else if (haszero(a)) System.out.println("No");
            else if (test(a)) System.out.println("Yes");
            else System.out.println("No");
        }
        in.close();
    }
}