For n large enough 3n greaterthanorequalto 5 2n 1 How large

For n large enough, 3^n greaterthanorequalto 5 2^n + 1. How large is large enough True or false: For all positive integers n, n^2 + n + 11 is prime

Solution

Answer : 3).

False : For all positive integers n, n²+n+11 is prime.

Description :

The statement \" For all positive integers n, n²+n+11 is prime. \" is false. For example, note that for n = 11, the integer f(11) = 143 is not prime.