You are here

Proof without Words: Sums of Special Products

The author presents a visual proof of the formula for the sum of the first n consecutive products: \(1 \times 2 + 2 \times 3 + 3 \times 4 +\ldots + n \times (n+1)\).

Old Node ID: 
1843
Author(s): 
Sidney H. Kung (Jacksonville University)
Publication Date: 
Wednesday, June 4, 2008
Original Publication Source: 
Mathematics Magazine
Original Publication Date: 
February, 1989
Subject(s): 
Numbers and Computation
Patterns and Sequences
Flag for Digital Object Identifier: 
Publish Page: 
Furnished by JSTOR: 
File Content: 
Rating Count: 
17.00
Rating Sum: 
44.00
Rating Average: 
2.59
Author (old format): 
Sidney H. Kung
Applicable Course(s): 
3.7 Discrete Math
4.1 Introduction to Proofs
Modify Date: 
Tuesday, July 29, 2008
Average: 2.6 (17 votes)

Dummy View - NOT TO BE DELETED