MathematicsMedium178×since 2002Q5289Statement-1: The sum of the series 1 + (1 + 2 + 4) + (4 + 6 + 9) + (9 + 12 + 16) +.....+ (361 + 380 + 400) is 8000. Statement-2: ∑k=1n(k3−(k−1)3)=n3\sum\limits_{k = 1}^n {\left( {{k^3} - {{(k - 1)}^3}} \right)} = {n^3}k=1∑n(k3−(k−1)3)=n3, for any natural number n.AStatement-1 is false, Statement-2 is true.BStatement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.CStatement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1.DStatement-1 is true, Statement-2 is false.Check answerSkip