Below are attempts at u-substitution by students. Explain where each student went wrong, then explain how to solve the problem. (b) John is attempting to solve Thus, - √x – 1 dx = - S [²√u du = f ² 1 √x- x-1 dx, and identifies u = x-1, so du = dx. du = [²³1³/²] 2 = ² (2³/²) – ² (1³/²) = }(√8 – 1).
Below are attempts at u-substitution by students. Explain where each student went wrong, then explain how to solve the problem. (b) John is attempting to solve Thus, - √x – 1 dx = - S [²√u du = f ² 1 √x- x-1 dx, and identifies u = x-1, so du = dx. du = [²³1³/²] 2 = ² (2³/²) – ² (1³/²) = }(√8 – 1).
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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Question
![Below are attempts at u-substitution
by students. Explain where each student went wrong, then explain how to solve
the problem.
+2
[²
√x – 1 dx, and identifies u = x-1, so du : dx.
=
(b) John is attempting to solve
Thus,
2
2
2
[² √z - 1 dx - [² Vudu - [ww2]₁ - 3 (2²²) - (1¹/²) - (√8-1).
=
X
(2³/2)
=
²/](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4eca4223-6bd9-4cd3-a61d-c96af3929198%2F64d0ca96-a14e-49cf-b1df-30c918f54f67%2Fq8wtnnm_processed.png&w=3840&q=75)
Transcribed Image Text:Below are attempts at u-substitution
by students. Explain where each student went wrong, then explain how to solve
the problem.
+2
[²
√x – 1 dx, and identifies u = x-1, so du : dx.
=
(b) John is attempting to solve
Thus,
2
2
2
[² √z - 1 dx - [² Vudu - [ww2]₁ - 3 (2²²) - (1¹/²) - (√8-1).
=
X
(2³/2)
=
²/
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