7–64. Integration review Evaluate the following integrals.
16. ∫ from 0 to 1 of (t² / (1 + t⁶)) dt

Guida verificata passo dopo passo

Step 1: Recognize that the integral ∫ from 0 to 1 of (t² / (1 + t⁶)) dt involves a rational function. Look for substitution techniques to simplify the integrand.

Step 2: Let u = 1 + t⁶. Then, compute the derivative of u with respect to t: du/dt = 6t⁵. Rearrange to express dt in terms of du: dt = du / (6t⁵).

Step 3: Substitute u and dt into the integral. Replace t² using the substitution u = 1 + t⁶, which implies t² = (u - 1)^(1/3). The integral becomes ∫ (u - 1)^(1/3) / (6t⁵ * u) du.

Step 4: Simplify the expression further by substituting t⁵ in terms of u. From u = 1 + t⁶, t⁵ = ((u - 1)^(5/6)). Replace t⁵ in the denominator and simplify the integrand.

Step 5: Evaluate the resulting integral with respect to u over the transformed limits (from u = 1 to u = 2). Use standard integration techniques or numerical methods if necessary.

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Definite Integrals

A definite integral calculates the accumulation of a quantity, represented as the area under a curve, between two specified limits. In this case, the integral from 0 to 1 of the function t² / (1 + t⁶) indicates that we are interested in the total area under the curve of this function from t = 0 to t = 1.

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Percorso guidato

05:43

Definition of the Definite Integral

Integration Techniques

To evaluate integrals, various techniques can be employed, such as substitution, integration by parts, or recognizing standard forms. For the integral ∫ (t² / (1 + t⁶)) dt, one might consider substitution to simplify the integrand, making it easier to compute the area under the curve.

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Percorso guidato

06:18

Integration by Parts for Definite Integrals

Continuous Functions

The function being integrated, t² / (1 + t⁶), is continuous over the interval [0, 1]. Continuous functions are essential in calculus because they ensure that the definite integral can be computed without any breaks or discontinuities, allowing for the application of the Fundamental Theorem of Calculus.

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