If log2(m)=a\log_2(m) = alog2(m)=a and log2(n)=b\log_2(n) = blog2(n)=b, express log2(m2n)\log_2(\frac{m^2}{n})log2(nm2) in terms of aaa and bbb.
2a−b2a - b2a−b
2a+b2a + b2a+b
a2−ba^2 - ba2−b
2ab\frac{2a}{b}b2a