C-09-Q072mediumsingle_mcqIf am⋅an=(am)na^m \cdot a^n = (a^m)^nam⋅an=(am)n, then m(n−2)+n(m−2)m(n-2) + n(m-2)m(n−2)+n(m−2) equals:a000b111c−1-1−1d