help@askiitians.com

+91-87964 74404

Grade 11Algebra

sequences and series question from special series
find the sum to n terms n2+2

Akshata

10 Years agoGrade 11

1 Answer

BALAJI ANDALAMALA

10 Years ago

$\sum_{n=1}^{n}(n^2+2) = \sum_{n=1}^{n}n^2+\sum_{n=1}^{n}2$
$= \frac{n(n+1)(2n+1)}{6}+2n$
$= \frac{n(2n^2+3n+13)}{6}$

What is a binomial expression?

algebra

1 Answer Available

Last Activity: 2 Years ago

Can we divide two vectors? If this is possible then how?

algebra

1 Answer Available

Last Activity: 2 Years ago

How do you write “the product of 18 and q” as an algebraic expression?

algebra

1 Answer Available

Last Activity: 2 Years ago

दहावीच्या आय सी एस इ विद्यार्थ्यांनी पुढे काय करायला पाहिजे

algebra

1 Answer Available

Last Activity: 3 Years ago

Find the least number of square tiles by which the floor of a room of dimensions 16.58 m and 8.32 m can be covered completely. why HCF and not LCM as “least” keywor dis given?

algebra

1 Answer Available

Last Activity: 3 Years ago

View all Questions