Question on: JAMB Mathematics - 2017

If m * n = [mn − nm] for m, n belong to R, evaluate − 3 * 4
A
3
B
4
C
5
D
6
Ask EduPadi AI for a detailed answer
Correct Option: C
m * n = \(\frac{m}{n}\) - \(\frac{m}{n}\)

m = − 3

n = 4

∴ − 3 × 4 = \(\frac{-3}{4}\) - \(\frac{-4}{-3}\)

= \(\frac{3(−3) − (− 4 × 4)}{12}\)

= \(\frac{− 9 + 16}{12}\)

= \(\frac{7}{12}\)

Add your answer

Notice: Please post responsibly.

Please share this, thanks!

No responses