Find the error in the following work. Dx 2x+5 2 x-1 = || 11 (2x + 5)(2x) - (x² − 1)2 (x²-1)² 4x² +10x-2x² +2 (x²-1)² 2x² +10x+2 (x²-1)² Choose the correct answer below. OA. In the last step, the numerator should be 2x² - 10x + 2. OB. In the first step, the numerator should be (x² - 1)2 - (2x + 5)(2x). Oc. In all three steps, the denominator should be (2x + 5)². OD. In the first step, the numerator should be (x² - 1) (2x + 5)-(2x)2.
Find the error in the following work. Dx 2x+5 2 x-1 = || 11 (2x + 5)(2x) - (x² − 1)2 (x²-1)² 4x² +10x-2x² +2 (x²-1)² 2x² +10x+2 (x²-1)² Choose the correct answer below. OA. In the last step, the numerator should be 2x² - 10x + 2. OB. In the first step, the numerator should be (x² - 1)2 - (2x + 5)(2x). Oc. In all three steps, the denominator should be (2x + 5)². OD. In the first step, the numerator should be (x² - 1) (2x + 5)-(2x)2.
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section: Chapter Questions
Problem 5CT
Related questions
Question
![Find the error in the following work.
Dx
2x + 5
2
X-1
=
(2x + 5)(2x) - (x² − 1)2
(x²-1)²
2
4x² +10x-2x²+2
(x²-1)²
2x² + 10x + 2
(x²-1)²
Choose the correct answer below.
OA. In the last step, the numerator should be 2x² - 10x + 2.
OB. In the first step, the numerator should be (x² − 1)2 - (2x + 5)(2x).
OC. In all three steps, the denominator should be (2x + 5)².
OD. In the first step, the numerator should be (x²-1) (2x + 5) - (2x)2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc9e06c1a-0fd3-45c4-a1bf-cb7f40759d92%2Ffe6c9077-5e40-4163-9641-8011e28ee3e6%2Fqofuwub_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Find the error in the following work.
Dx
2x + 5
2
X-1
=
(2x + 5)(2x) - (x² − 1)2
(x²-1)²
2
4x² +10x-2x²+2
(x²-1)²
2x² + 10x + 2
(x²-1)²
Choose the correct answer below.
OA. In the last step, the numerator should be 2x² - 10x + 2.
OB. In the first step, the numerator should be (x² − 1)2 - (2x + 5)(2x).
OC. In all three steps, the denominator should be (2x + 5)².
OD. In the first step, the numerator should be (x²-1) (2x + 5) - (2x)2.
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