Question

Prove : n^4 + 4 is a composite number for n greater than 1

Answer 1

Answer:

Step-by-step explanation:

4n+4

Putting n =2,3,4....

We get respectively

12,16,20...

Since 4n+4 will be even for all n=

2,3,4,5,6....

So they can easily divided by other number except 1 and the number itself .

So 4n+4 is composite number for n>1.

Hope it's helpful for u....