Question

pľž help me any one

Answer 1

i Hope this will help you

Answer 2

(a+b+c')(a'b'+c)

=aa' ab' ac + ba bb' bc + c'a' c'b' c'c

=1 ab' ac + ba 1 bc + c'a' c'b' 1

=1 + 1 + a' + b' + c' + ac + bc + 1

=a'b'c' + ac + bc

=a'b'c'+c(a+b)