If m∗n=(mn−nm) for m, n belong ...
If m∗n=(mn−nm) for m, n belong to R, evaluate -3*4
−2512
−712
712
2512
Correct answer is C
\(m*n = \frac{m}{n}-\frac{n}{m}
= \frac{-3}{4} - \frac{4}{-3}
= \frac{-3}{4} + \frac{4}{3}
= \frac{(-9+16)}{12}
= \frac{7}{12}\)
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