Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If`sum_(i=1)^n sum_(j=1)^i sum_(k=1)^j 1=560` , then the value of 'n' is- - Sarthaks eConnect
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If  `sum_(i=1)^n sum_(j=1)^i sum_(k=1)^j 1=560` , then the value of 'n' is-

If  `sum_(i=1)^n sum_(j=1)^i sum_(k=1)^j 1=560` , then the value of 'n' is-

A.

13

B.

14
C.

15

D.

16

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