Two binary operations ∗ and ⊕ are defined...
Two binary operations ∗ and ⊕ are defined as m ∗ n = mn - n - 1 and m ⊕ n = mn + n - 2 for all real numbers m, n.
Find the value of 3 ⊕ (4 ∗ 50)
60
57
54
42
Correct answer is C
m ∗ n = mn - n - 1, m ⊕ n = mn + n - 2
3 ⊕ (4 ∗ 5) = 3 ⊕ (4 x 5 - 5 - 1) = 3 ⊕ 14
3 ⊕ 14 = 3 x 14 + 14 - 2
= 54
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