With the help of which formula can we find the algebraic product of two fuzzy sets A,B?

• A. {ua(x)/ub(x)}
• B. {ua(x)*ub(x)}*{ua(x)-ub(x)}
• C. {ua(x)*ub(x)+{ua(x)+ub(x)}}
• D. {ua(x)*ub(x)}