Question 1 Report
If m * n = [mn − nm] for m, n belong to R, evaluate − 3 * 4
Answer Details
m * n = mn m n - mn m n m = − 3 n = 4 ∴ − 3 × 4 = −34 − 3 4 - −4−3 − 4 − 3 = 3(−3)−(−4×4)12 3 ( − 3 ) − ( − 4 × 4 ) 12 = −9+1612 − 9 + 16 12 = 712
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