Consider the Maclaurin expansion +10 6 120 x6 sin(x²) = x² + x14 5040 + x18 362880 + valid for all real numbers x. a) Use the expansion to give the first three terms of a power series expansion for sin(x²) dx. S b) Use your expansion in part a) to approximate 0.⁹ sin(x²) dx. Again, use three terms. Round your answer to four decimal places. c) Use the Alternating Series Estimation Theorem to give an upper bound on the error in your estimate in part b). a

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Problem (3)
Consider the Maclaurin expansion
sin(x²) = x²
to
x10
+
6 120
x¹4
5040
+
x18
362880
+
valid for all real numbers x.
a) Use the expansion to give the first three terms of a power
series expansion for f sin(x²) dx.
-0.9
b) Use your expansion in part a) to approximate ſº.⁹ sin(x²) dx.
Again, use three terms. Round your answer to four decimal
places.
c) Use the Alternating Series Estimation Theorem to give an
upper bound on the error in your estimate in part b). a
Transcribed Image Text:Problem (3) Consider the Maclaurin expansion sin(x²) = x² to x10 + 6 120 x¹4 5040 + x18 362880 + valid for all real numbers x. a) Use the expansion to give the first three terms of a power series expansion for f sin(x²) dx. -0.9 b) Use your expansion in part a) to approximate ſº.⁹ sin(x²) dx. Again, use three terms. Round your answer to four decimal places. c) Use the Alternating Series Estimation Theorem to give an upper bound on the error in your estimate in part b). a
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