Episode Synopsis "Triangular Numbers (Part II)"

Using Gauss Idea to find the sum 1+2 + ... +n. Arithmetic progressions an obtaining a general formula for the sum of an arithmetic progression.

Listen "Triangular Numbers (Part II)"

More episodes of the podcast Is All About Math (Video Podcast)

• Pi
• Proof
• Fibration continued
• Fibration
• Complex Numbers continued
• Complex Numbers
• The fourth dimension continued
• The fourth dimension
• Dimension three
• Dimension 2
• Are you having Phun yet?
• Weaving Numbers
• The Well Ordering Principle
• Mathematical Induction (Part III)
• Mathematical Induction (Part II)
• 1, 2, 3 ... Infinity. Mathematical Induction
• Summation Telescoping Property
• It's all Greek to me! Sigma notation
• Triangular Numbers (Part III)
• Triangular Numbers (Part II)
• Triangular Numbers (Part I)