Using Binomial Theorem prove that 2 power 3n - 7n - 1 is divisible by 49, where n belongs to N

Using Binomial Theorem prove that 2 power 3n - 7n - 1 is divisible by

1.	Using Binomial Theorem prove that 2 power 3n - 7n - 1 is divisible by 49, where n belongs to N
Answer»