If, for a positive integer n, the quadratic equation, x(x + 1) + (x + 1)(x + 2) + + (x + n - 1 )(x + n) = 10n...

Question

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

Accepted Answer

(C)

JEE Main 2017 Mathematics question

Solution

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