# Proof by Induction

Pro Problems > Math > Logic > Proofs > Proof by Induction# Featured Pro Problems

Use a proof by induction to predict the value of the sum of the first n perfect squares.

Show that the trig identity given is true for all non-negative integers n.

Do a proof by induction to show what the sum of the first n positive integers is.

If you raise 11 to the nth power, the result is one more than a multiple of 10. Prove by induction.

Use and induction proof to give the sum of a geometric series with common ratio 2.

Use induction to prove that the sum of a geometric series adds to a certain value

Inductive proof involving a product and a power inequality

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Eleven to the N, Geometric Sum Proof, Multiples of Pi/4, Product and Power, Series Proof, Square Sum Proof, Sum of Integers Proof# Ask Professor Puzzler

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