ac + ab + bc + b + c + 1
ac + ab + a + c + 2
ab + ac + a + b + 1
ac + bc + ab + b + c + 2
ab + ac + 2a + b + c + 1
Correct answer is E
Soln. a*b = ab + a + b,
a ♦ b = a + b + 1
a*c = ac + a + c
(a*b) ♦ (a*c) = (ab + a + b + ac + a + c + 1)
= ab + ac + 2a + b + c + 1