Question

Please, someone, help me to do these questions
please
bro
I need help with doing these questions

Answer 1

ello user

Ans1. a.. {6,10,18}

b. { phi}

c.{5,11,1}

d.{3,4,14,16,17,20}

Ans2. a..{g,h,z}

b.{c,e,a}

c.{n,x,q}