1 + a + b + c + ab + bc + ac +
abc
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Answer:
1 + a + b + c + ab + bc + ca + abc
= 1 + a + b + ab + c + ca + bc + abc
= 1*(1 + a) + b*(1 + a) + c*(1 + a) + bc*(1 + a)
= (1 + a) * (1 + b + c + bc)
= (1 + a) * {1*(1 + b) + c*(1 + b)}
= (1 + a) * (1 + b) * (1 + c).
Step-by-step explanation:
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