Which of the following series can be used to determine the convergence of the series summation from k equals 0 to infinity of a fraction with the square root of quantity k to the sixth power minus k cubed plus 4 times k minus 7 end quantity as the numerator and 7 times the quantity 3 minus 6 times k plus 4 times k to the eighteenth power end quantity to the one third power as the denominator question mark