[" If,for a positive integer "n" ,the quadratic equation "],[x(x+1)+(x+1)(x+2)+......+(x+n-1)(x+n)=10n],[" has two consecutive integral solutions,then "n" is equal to: "]

If, for a positive integer n , the quadratic equation, x(x+1)+(x-1)(x+2)+................+(x+ n-1)(x+n)=10 n has two consecutive integral solutions, then n is equal to : (1) 10 (2) 11 (3) 12 (4) 9

If, for a positive integer n, the quadratic equation, x(x + 1) + (x + 1)(x + 2) +.....+ (x +bar( n-1))(x + n) = 10n has two consecutive integral solutions, then n is equal to

If,for a positive integer n,the quadratic equation,x(x+1)+(x+1)(x+2)+......+(x+bar(n)-1)(x+n)=10n has two consecutive integral solutions,then n is equal to

If, for a positive integer n , the quadratic equation, x(x+1)+(x-1)(x+2)++(x+ n-1)(x+n)=10 n has two consecutive integral solutions, then n is equal to : (1) 10 (2) 11 (3) 12 (4) 9

If, for a positive integer n , the quadratic equation, x(x+1)+(x-1)(x+2)++(x+ n-1)(x+n)=10 n has two consecutive integral solutions, then n is equal to : (1) 10 (2) 11 (3) 12 (4) 9

If, for a positive integer n , the quadratic equation, x(x+1)+(x-1)(x+2)++(x+ n-1)(x+n)=10 n has two consecutive integral solutions, then n is equal to : 10 (2) 11 (3) 12 (4) 9

Solve (x-1)^(n)=x^(n), where n is a positive integer.

If f(x) =(p-x^n)^(1/n) , p >0 and n is a positive integer then f[f(x)] is equal to

If f(x) =(p-x^n)^(1/n) , p >0 and n is a positive integer then f[f(x)] is equal to