Question

Please help me with this question of SETS class XI
I have selected 80 coins
I will mark brainliest the first and correct answer
(WITH SOLUTION )

Answer 1

let a = {1,2}

b= {2,3,4}

c={2,6,7}

universal set ={1,2,3,4,5,6,7,8}

b' = ( 1,5,6,7,8)

a u b' = ( 1,2,5,6,7,8)

(a u b' )' = ( 3,4)..

b n c = (2)

now ,(a u b ')' u ( b n c ) = ( 2,3,4 )

listen method theek hai aap koie aur eg lo ,answer mil jaye ga ..........perhaps CALCULATion mai koie problem huwi hain ... .

Answer 2

Answer:

Correct ans is..,......

C) A' U B

Let U be the universal set and A∪B∪C=U . Then {(A−B)∪(B−C)∪(C−A)} is equal to

A' U B