+91-87964 74404
FlagBACK
Question icon
Grade 12Algebra

Please solve this question urgently
I can't understand how to solve the questions related to factorials.can you help me

Question image for Please solve this question urgently I can't under
Profile image of Romit kaware
7 Years agoGrade 12
Answers icon

1 Answer

Profile image of Aditya Gupta
7 Years ago
Write it as (r+1)^2*r! - 2r*r!
= (r+1)*(r+1)! - r*r! - [(r+1)! -r!]
Since both of the above sequences are trlestelic, the sum can be easily found out

Other Related Questions on algebra

question mark
What is a binomial expression?
algebra
1 Answer Available

Last Activity: 2 Years ago

question mark
Can we divide two vectors? If this is possible then how?
algebra
1 Answer Available

Last Activity: 2 Years ago

question mark
How do you write “the product of 18 and q” as an algebraic expression?
algebra
1 Answer Available

Last Activity: 2 Years ago

question mark
दहावीच्या आय सी एस इ विद्यार्थ्यांनी पुढे काय करायला पाहिजे
algebra
1 Answer Available

Last Activity: 3 Years ago

question mark
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