Consider the differential equation 10x2y" + 19xy' + (10x2 -1)y = 0. Determine the indicial equation using the variable r. 10 r2+9r+1 0 Find the recurrence relation. -10an - 2 an 10(n tr)(ntr -1) + 19(n +r) . an-2 for n = 2, 3, . . . Find the roots of the indicial relation. Number of roots: two 11 = 9 12 = 9 20 20 Find the series solution (x > 0) corresponding to the larger root. y1 (20) = Choose one