7. Describe the sequence W so that W(n) is the number of white squares in Step n, and describe the sequence B so that B(n) is the number of black squares in Step n. Step 1 Step 2 a. Complete the following table. Step 3 Step # (n) 1 4 White Squares (W) Black Squares (B) b. Are the sequences W and B arithmetic, geometric, or neither? Explain how you know. c. Write an explicit equation for sequence W(n). W(n) =. for n 2 %3D

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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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7. Describe the sequence W so that W(n) is the number of white squares in
Step n, and describe the sequence B so that B(n) is the number of black
squares in Step n.
Step 1
Step 2
a. Complete the following table.
Step 3
Step # (n)
1
4
White Squares (W)
Black Squares (B)
b. Are the sequences W and B arithmetic, geometric, or neither?
Explain how you know.
c. Write an explicit equation for sequence W(n).
W(n) =
for n2
d. Write an explicit equation for sequence B(n)
B(n) =
for n 2
e. Find how many white and black square there will be for the 10th step.
W(10) = ,
B(10) =
%3D
f. Is the number of black squares ever larger than the number of white
squares? Explain how you know.
Transcribed Image Text:7. Describe the sequence W so that W(n) is the number of white squares in Step n, and describe the sequence B so that B(n) is the number of black squares in Step n. Step 1 Step 2 a. Complete the following table. Step 3 Step # (n) 1 4 White Squares (W) Black Squares (B) b. Are the sequences W and B arithmetic, geometric, or neither? Explain how you know. c. Write an explicit equation for sequence W(n). W(n) = for n2 d. Write an explicit equation for sequence B(n) B(n) = for n 2 e. Find how many white and black square there will be for the 10th step. W(10) = , B(10) = %3D f. Is the number of black squares ever larger than the number of white squares? Explain how you know.
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