Question

Prove that:
A' U B' = (A n B)'
An B' = (A U B)'​

Answer 1

Answer:

step by step

a' U b' =a' or b'

X set a' or X set b'

X not set a and b

X not set(a n b )

X set (a n b)'

ii part u can do like this same as it is

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