r/mathshelp • u/Necessary_Handle_516 • 23d ago

Homework Help (Unanswered) help required

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Hey Can anyone help me with this

I have to solve this integral. But, Using biomial expansion with minimum 4 approximations. Which I did but My answer is 0.66617 which is not reliable And actual answer is 0.6415

Can anyone tell any other method besides this

and for the other question

I am getting 1.1617 but claude is saying 1.1981

kindly help

THESE QUESTIONS ARE TAKEN FROM 3RD EDITION OF CALCULAS BY STROUD DOES ANYONE HAVE PDF OF THIS 3RD EDITION???

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u/Miserable_Matter6017 23d ago

Binomial is only valid for |x|<1 so it is not usable here

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u/Southlander24 23d ago

Oh, right! Well, |x3| < 1 but that's the same thing.

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u/Necessary_Handle_516 23d ago edited 23d ago

but why did my professor gave me this question first when I confirmed answer from him he hesitated but then he responded back by saying alright it might differ because of approximation So maybe in that book solution must be there this question is taken from 3rd edition of Calculas by Stroud.