Question

chapter set {E = x|x = 5p +4 , p smaller than 5 and p € N}​

Answer 1

Answer:

The given sets are:

A={x:x∈N}={1,2,3,4...}

B={x:x=2n,n∈N}={2,4,6,8,10...}

C={x:x=2n−1,n∈N}={1,3,5,7,9...}

D={x:x is a prime number}={2,3,5,7,11,13...}

∴ A∩B={1,2,3,4...}∩{2,4,6,8...}