For each of the following, find all minimum sum of products expressions:

d) f(a,b,c,d)=m(1,2,3,5,6,7,8,11,13,15)

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For the following, find all the minimum sum of products of expressions.(If there is more than one solution, the number of solution is given in the parantheses

a) f(w,x,y,z)=m(1,3,6,8,11,14)+d(2,4,5,13,15) (3 solutions)

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