Evaluate. 81 +x dx J2x V81 +x² dx =

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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### Integral Evaluation Exercises

Below are some integral problems that need evaluation. Each exercise provides an integral expression along with a space to write the solution. These problems are useful for practicing integration techniques.

---

#### Exercise 1

Evaluate:

\[
\int 2x^3 \sqrt{81 + x^2} \, dx
\]

Result:

\[
\int 2x^3 \sqrt{81 + x^2} \, dx = \underline{\hspace{4cm}}
\]

---

#### Exercise 2

Evaluate:

\[
\int_7^{(5 + r^8)^7} \, dr
\]

Result:

\[
\int_7^{(5 + r^8)^7} \, dr = \underline{\hspace{4cm}}
\]

---

#### Exercise 3

Evaluate:

\[
\int_3^{(7 + t^4)^2} \, dt
\]

Result:

\[
\int_3^{(7 + t^4)^2} \, dt = \underline{\hspace{4cm}}
\]

---

#### Exercise 4

Evaluate:

\[
\int_7^{(4 + t^8)^8} \, dt
\]

Result:

\[
\int_7^{(4 + t^8)^8} \, dt = \underline{\hspace{4cm}}
\]

---

#### Exercise 5

Evaluate:

\[
\int x^3 e^{x^4} \, dx
\]

Result:

\[
\int x^3 e^{x^4} \, dx = \underline{\hspace{4cm}}
\]

---

These exercises are designed to strengthen understanding of evaluating definite and indefinite integrals through practice.
Transcribed Image Text:### Integral Evaluation Exercises Below are some integral problems that need evaluation. Each exercise provides an integral expression along with a space to write the solution. These problems are useful for practicing integration techniques. --- #### Exercise 1 Evaluate: \[ \int 2x^3 \sqrt{81 + x^2} \, dx \] Result: \[ \int 2x^3 \sqrt{81 + x^2} \, dx = \underline{\hspace{4cm}} \] --- #### Exercise 2 Evaluate: \[ \int_7^{(5 + r^8)^7} \, dr \] Result: \[ \int_7^{(5 + r^8)^7} \, dr = \underline{\hspace{4cm}} \] --- #### Exercise 3 Evaluate: \[ \int_3^{(7 + t^4)^2} \, dt \] Result: \[ \int_3^{(7 + t^4)^2} \, dt = \underline{\hspace{4cm}} \] --- #### Exercise 4 Evaluate: \[ \int_7^{(4 + t^8)^8} \, dt \] Result: \[ \int_7^{(4 + t^8)^8} \, dt = \underline{\hspace{4cm}} \] --- #### Exercise 5 Evaluate: \[ \int x^3 e^{x^4} \, dx \] Result: \[ \int x^3 e^{x^4} \, dx = \underline{\hspace{4cm}} \] --- These exercises are designed to strengthen understanding of evaluating definite and indefinite integrals through practice.
The image shows a mathematical problem involving an integral. The expression included is:

\[
\int 2x \sqrt[3]{81 + x^2} \, dx
\]

Additionally, there is a second line containing the same integral with an equal sign, indicating the need to solve the expression:

\[
\int 2x \sqrt[3]{81 + x^2} \, dx = \underline{\quad}
\]

The problem is to find the indefinite integral of the given function with respect to \(x\). There are no graphs or diagrams accompanying this expression.
Transcribed Image Text:The image shows a mathematical problem involving an integral. The expression included is: \[ \int 2x \sqrt[3]{81 + x^2} \, dx \] Additionally, there is a second line containing the same integral with an equal sign, indicating the need to solve the expression: \[ \int 2x \sqrt[3]{81 + x^2} \, dx = \underline{\quad} \] The problem is to find the indefinite integral of the given function with respect to \(x\). There are no graphs or diagrams accompanying this expression.
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