If a*b = 2b-a/b, where b ≠ 0, then 2*10 = _____?
- 5/5
- 5/3
- 9/5
- None of these
Explanation
Given the operation:
a * b = (2b - a) / b
Let's calculate 2 * 10:
2 * 10 = (2(10) - 2) / 10
= (20 - 2) / 10
= 18 / 10
Simplifying the fraction by dividing both numerator and denominator by 2:
= 9 / 5
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