In the figure, one side of the largest square has length a + b. Therefore, the area
Question:
In the figure, one side of the largest square has length a + b. Therefore, the area of the largest square is (a + b)2. Answer the following questions to find a formula for the expansion of (a + b)2.
(a) What is the area of the square marked 
?
(b) What is the area of the rectangle marked 
?
(c) What is the area of the rectangle marked 
?
(d) What is the area of the square marked 
?
(e) Add the four areas found in parts (a) through (d) to write a formula for the expansion of (a + b)2.
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Related Book For 
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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