What is the area under the curve y = 1/x from x = 1 to x = 4?

Practice Questions

Q1
What is the area under the curve y = 1/x from x = 1 to x = 4?
  1. ln(4)
  2. ln(3)
  3. ln(2)
  4. ln(1)

Questions & Step-by-Step Solutions

What is the area under the curve y = 1/x from x = 1 to x = 4?
  • Step 1: Identify the function we are working with, which is y = 1/x.
  • Step 2: Determine the limits of integration, which are from x = 1 to x = 4.
  • Step 3: Set up the integral to find the area under the curve: ∫(from 1 to 4) (1/x) dx.
  • Step 4: Find the antiderivative of 1/x, which is ln(x).
  • Step 5: Evaluate the antiderivative at the upper limit (x = 4) and the lower limit (x = 1): ln(4) - ln(1).
  • Step 6: Simplify the result. Since ln(1) = 0, the area is ln(4).
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