adplus-dvertising
frame-decoration

Question

The sum of square of the first n natural numbers is given by _________

a.

n(n+1)(2n+1)/6

b.

n(n-1)/2(2n+1)

c.

n²(n+1)(2n+1)/6

d.

None of the mentioned

Posted under Discrete Mathematics

Answer: (a).n(n+1)(2n+1)/6

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. The sum of square of the first n natural numbers is given by _________

Similar Questions

Discover Related MCQs

Q. The sum of cubes of the first n natural numbers is given by _________

Q. The series 1, 1, 1, 1, 1…….. is not an AGP.

Q. If in an AGP the common ratio of GP is 1 then that sequence becomes an AP sequence.

Q. The sequence 1, 1, 1, 1, 1…. is?

Q. Which of the following is a Triangular number series?

Q. Which of the following is a fibonacci series?

Q. If a₁, a₂……… are in AP then a₁⁻¹, a₂⁻¹……… are in __________

Q. The ninth term of 1⁄3, 1⁄7, 1⁄11, 1⁄15, 1⁄19,……… is given by?

Q. If for some number a and d, if first term is 1⁄a, second term is 1/(a+d), thrid term is 1/(a+2d) and so on, then 5th term of the sequence is?

Q. If a, b, c are in hp then a⁻¹, b⁻¹, c⁻¹ are in _________

Q. If a, b, c are in hp, then b is related with a and c as _________

Q. For number A, C if H is harmonic mean, G is geometric mean then H>=G.

Q. For number B, C if H is harmonic mean, A is the airthmetic mean then H>=A.

Q. Which of the following gives the right inequality for AM, GM, HM?

Q. For two number a,b HM between them is given by?

Q. If A, G, H are the AM, GM, HM between a and b respectively then?

Q. The cardinality of the set A = {1, 2, 3, 4, 6} is?

Q. For two equal sets there ___________

Q. If A is a subset of B then _______

Q. If there is a bijection between two sets A and B then _______