Question

Let P⊂N be the set of prime numbers, then (one of) the hardest equations to prove is:

∀n∈N,∃p1,p2∈P:p1+p2=2(n+2)
what is the meaning of this equation

Answer 1

Explanation:

n=1

P1+P2=2(1+2)

P1+P2=2×3=6

P1=P2=p

p+p=6

2p=6

p=3

this is your answer

Answer 2

refer to the attachment!!!!