could anyone help me with this equation?(adsbygoogle = window.adsbygoogle || []).push({});

[(a' u b') n a'] = a

ive tried the following

[(a n b)' n a'] usng demorgans

[(a' n a') n b] using associative

then stuck and

[(a' n b') u (a' n a')] using distributive

[(a' n b') u a'] using indempotent

then stuck

thanks for any help

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# Laws of set algebra help

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