Example 4 For every positive integer n , prove that 7n - 3n is divisible by 4 - Maths - Principle of Mathematical Induction

Question

Example 4 For every positive integer n , prove that 7n -
3n is divisible by 4

Neha Sethi · Accepted Answer

Dear student Assuming you want the explanation for example 4

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Example 4 . For every positive integer n , prove that 7n - 3n is divisible by 4.