Concept explainers
a.
To calculate:
The coefficient of third term of given expression.
a.
Answer to Problem 9WE
The coefficient of the third term of expression of
Explanation of Solution
Given information:
Expression:
Formula used:
Binomial theorem:
Where,
Calculation:
Consider the expression
From binomial theorem the expression is
Where,
The expand summation of binomial theorem is,
So, from the above theorem the third expression is,
So, the coefficient of the third term of expression of
b.
To calculate:
The coefficient of third term of given expression.
b.
Answer to Problem 9WE
The coefficient of the third term of expressionof
Explanation of Solution
Given information:
Expression:
Formula used:
Binomial theorem:
Where,
Calculation:
Consider the expression
From binomial theorem the expression is
Where,
The expand summation of binomial theorem is,
So, from the above theorem the third expression is,
So, the coefficient of the third term of expression of
c.
To calculate:
The coefficient of third term of given expression.
c.
Answer to Problem 9WE
The coefficient of the third term of expression of
Explanation of Solution
Given information:
Expression:
Formula used:
Binomial theorem:
Where,
Calculation:
Consider the expression
From binomial theorem the expression is
Where,
The expand summation of binomial theorem is,
So, from the above theorem the third expression is,
So, the coefficient of the third term of expression of
Chapter 11 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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