Question

Suppose R = {2, 4, 6, 8, 10} and D = {1, 2, 3, 4, 5}. What is R U D?

Answer 1

R U D means the elements of R or D ={1,2,3,4,5,6,8,10}

Answer 2

if an element is both in R and D you will have to write only once

Answer 3

OH. so...Basically what numbers are in both, then?

Answer 4

(may be confused. If I am, I'm sorry)

Answer 5

2 & 4

Answer 6

elements which belongs to R or D or both that is meaning of R Union D

Answer 7

\[R union D ={2,4,6,8,10,1,2,3,4,5}\]

Answer 8

put the brackets

Answer 9

but in set no element is repeated

Answer 10

[1,2,3,4,5,6,8,10}

Answer 11

is it clear

Answer 12

I'm sorry...I've been up since midnight, so I'm dozing off. Yeah though. Its clear. Thank you so much for helping me @dayakar