Find the value of ∫ from 0 to 1 of (x^2 + 1/x^2) dx.
Practice Questions
Q1
Find the value of ∫ from 0 to 1 of (x^2 + 1/x^2) dx.
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Questions & Step-by-Step Solutions
Find the value of ∫ from 0 to 1 of (x^2 + 1/x^2) dx.
Step 1: Write down the integral you need to solve: ∫ from 0 to 1 of (x^2 + 1/x^2) dx.
Step 2: Break the integral into two parts: ∫ from 0 to 1 of x^2 dx + ∫ from 0 to 1 of 1/x^2 dx.
Step 3: Solve the first integral: ∫ x^2 dx = x^3/3.
Step 4: Evaluate the first integral from 0 to 1: [x^3/3] from 0 to 1 = (1^3/3) - (0^3/3) = 1/3.
Step 5: Solve the second integral: ∫ 1/x^2 dx = -1/x.
Step 6: Evaluate the second integral from 0 to 1: [-1/x] from 0 to 1 = (-1/1) - (-1/0). Note that -1/0 is undefined, but we can consider the limit as x approaches 0, which goes to infinity.
Step 7: Combine the results: The first integral gives 1/3 and the second integral diverges to infinity, but we can consider the limit as we approach 0.
Step 8: Since the second part diverges, we conclude that the integral does not converge in the traditional sense.
Definite Integrals – The question tests the ability to evaluate a definite integral, which involves finding the area under the curve of the function between specified limits.
Integration Techniques – The question requires knowledge of basic integration techniques, including the integration of polynomial and rational functions.
Limit Behavior – The question also tests understanding of limit behavior as the lower limit approaches zero, particularly for terms that may become undefined.