Grade 11Algebra
if sum of squares of first n non-negative integers is 15 times sum of first n non-negative integers, then n=
if sum of squares of first n non-negative integers is 15 times sum of first n non-negative integers, then n=
1 Answer
Saurabh Koranglekar
Dear student
n(n+1)(n+2)/6 = 15(n(n+1))/2
Kindly solve for n
Regards
n(n+1)(n+2)/6 = 15(n(n+1))/2
Kindly solve for n
Regards
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