Given an example of a statement P(n) such that it is true for all… - Vidyadip

Question

Given an example of a statement P(n) such that it is true for all $\text{n}\in\text{N}.$

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Answer

P(n): $1 + 2 + 3 + ... + \text{n}=\frac{\text{n}(\text{n}+1)}{2}$ is true for all $\text{n}\in\text{N}.$

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