U= {1,2...,10} A= {2,3,5,7}
B= {2,4,5,7}
D= {1,2,5,7}
Find:
1. A U B U D
2. A n B n D

1) {5,7}

2) {1,2,5,7}

Step-by-step explanation:

1) A union B union C

means you take common contents in all A,B,C

2) A and B and C

means you take all the contents of all A,B,C and combine

good job you smart son of a gun you are smarter that einstein. 7

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

happy to

pls mark as brainliest