a
Φ
b
{s}
c
{t, u}
d
{y, z}
Explanation
Correct Option
aVideo Explanation
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Discussions (3)

Tpriye
1 year ago
Please change the way questions are presented. How was I meant to know that that was complement? Please use an apostrophe becuase many will not know that the "1" that was there was meant to be " ' " (signifying complement of a set).
" A' " - This looks better...
Thank You...


