Question

pl ans i need your help​

Answer 1

Answer:

Sol.1) As u know the formula :

n( AUB ) = n(a) + n(b) - n( A intersection B)

26= 15+n(b) - 5

n(b)= 26 - 10

n(b) = 16

Step-by-step explanation:

hii..hope it helps u

I apologise for the inconvenience of the keys.... that's y I wrote 'intersection' but u write them in there correct forms/ symbols...

Answer 2

Answer:

Hiiiiiiii your writing is good