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find power series expansion for 4x * arctan(6x)
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@jim_thompson5910 @pooja195 @dan815 @mathstudent55
okay
on my note it says arctan(x)= x - x^3/3 + x^5/5 - x^7/7 + ... but not sure if this formula is useful here
oh so u are given the power series for arc tan already
yea
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then u are pretty much done
|dw:1423613493780:dw|
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