4. What is the coefficient of x? a) in (1 + 2x)117 b) in (2 – x)13? c) in (5 – 2x + y)'1, where y is another variable? d) in (x – 1)", where r> 7 and r € Z?
4. What is the coefficient of x? a) in (1 + 2x)117 b) in (2 – x)13? c) in (5 – 2x + y)'1, where y is another variable? d) in (x – 1)", where r> 7 and r € Z?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 26E
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Can I get a solution for these problems?
![3. Show that if n is a positive integer, then (*") = 2(;) + n².
a) Using a combinatorial argument. (Hint: choose two elements from the set {a,, az, ., „} U {b,,b2, ..., bn})
b) By algebraic manipulation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc4b9f5ab-7960-4a94-aff5-a34d22f2a83b%2F32f0c221-55be-4ff1-9bd8-23d537deaa0a%2Fr9qtegb_processed.png&w=3840&q=75)
Transcribed Image Text:3. Show that if n is a positive integer, then (*") = 2(;) + n².
a) Using a combinatorial argument. (Hint: choose two elements from the set {a,, az, ., „} U {b,,b2, ..., bn})
b) By algebraic manipulation.
![4. What is the coefficient of x?
a) in (1 + 2x)117
b) in (2 – x)13?
c) in (5 – 2x + y)'1, where y is another variable?
d) in (x – 1)", where r> 7 and r € Z?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc4b9f5ab-7960-4a94-aff5-a34d22f2a83b%2F32f0c221-55be-4ff1-9bd8-23d537deaa0a%2Fb1nm7lg_processed.png&w=3840&q=75)
Transcribed Image Text:4. What is the coefficient of x?
a) in (1 + 2x)117
b) in (2 – x)13?
c) in (5 – 2x + y)'1, where y is another variable?
d) in (x – 1)", where r> 7 and r € Z?
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