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
If xo is obtuse, which of the following is true?...
Which triangle is equal in area to ΔVWZ ...
Make t the subject of k = m√t−pr...
Let a binary operation '*' be defined on a set A. The operation will be commutative if ...
In diagram, PQ || ST and < PQR = 120o, < RST = 130o, find the angle marked x ...
The probability of picking a letter T from the word OBSTRUCTION is? ...