Summationof r(r + 1)(r + 2)(r + 3) to n terms from 1?
mp500103 , 8 Years ago
Grade 11
Algebra> Summation of r(r + 1)(r + 2)(r + 3) to n ...
1 AnswersVikas TU
Last Activity: 8 Years ago
Firstly,
muktiply all the 4 terms as usual.
and get the r terms in the power of 4, 3 ,2 and 1.
And hence apply the summation formulae for that simply:
For summation of r from n=1 to n is => n(n+1)/2
for r^2 the summation is: => n(n+1)(2n+1)/6
for r^3 it is: n^2(n+1)^2/4 and like this.
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free
Enter text here...
Other Related Questions on Algebra
Can we divide two vectors? If this is possible then how?
Algebra
1 Answer Available
Last Activity: 10 Month ago(s)
How do you write “the product of 18 and q” as an algebraic expression?
Algebra
1 Answer Available
Last Activity: 10 Month ago(s)
दहावीच्या आय सी एस इ विद्यार्थ्यांनी पुढे काय करायला पाहिजे
Algebra
0 Answer Available
Last Activity: 1 Year ago(s)