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Brian McLogan
Learn to use induction to prove the sum formula of a series
👉 Learn how to apply induction to prove the sum formula for every term. Proof by induction is a mathematical proof technique. It is usually used to prove that a formula written in terms of n holds true for all natural numbers: 1, 2, 3, ....
Khan Academy
Khan Academy: Algebra: Proof by Induction
Video introducing inductive proofs and then showing how to use induction to prove the formula for the sum of all integers up to and including n. [9:23]
Khan Academy
Khan Academy: Induction: Proof by Induction
Watch a video proving an expression for the sum of all positive integers up to and including n by induction.