For a positive integer n if the quadratic equation
Question 1:- For a positive integer n if the quadratic equation, x(x+1)+(x+1)(x+2) + . . . +[x+(n-1)][x+n] = 10n has two consecutive integral solution, then n is equal to (a) 12 (b) 9 (c) 10 (d) 11 Solution:- Given quadratic equation is x(x+1)+(x+1)(x+2) + . . … Read more