Evaluate the integral involving the greatest integer function: ∫[0 to 1.5] [x] dx.
Evaluate the integral involving the greatest integer function: ∫[0 to 1.5] [x] dx.
- A. 0.5
- B. 1
- C. 1.5
- D. 0
Answer: A) 0.5
Explanation: Split the integral where the integer value changes: ∫[0 to 1] 0 dx + ∫[1 to 1.5] 1 dx = 0 + [x] from 1 to 1.5 = 1.5 - 1 = 0.5.
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