Given F(a,b,c,d) =a'cd'+a'c'd'+a'b'c'+ab'cd'+b'c'd'
(a) Find the maxterm expression for F. Express your answer both in decimal and algebraic form.
(b) Use a Karnaugh map to find the minimum sum-of-products form for F'.
(c) Find the minimum product-of-sums for F.