New New 11 111.pptx

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R.A. Arts, Shri M.K. Commerce and Sri S.R. Rathi Science College, Washim Submitted By Ku. Nikita Santosh Bhalerao Year 2015-2016 B.Sc :- II ( Third Semister ) Presented To Jaju Madam And Gattani Madam SEMINAR ON

Transcript of New New 11 111.pptx

Page 1: New New 11 111.pptx

R.A. Arts, Shri M.K. Commerce and Sri S.R. Rathi Science College, Washim

Submitted ByKu. Nikita Santosh

Bhalerao

Year 2015-2016

B.Sc :- II ( Third Semister )

Presented To

Jaju Madam And Gattani Madam

SEMINAR ON

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SEMINAR ON

MATHS

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Theorem :-A seq <Sn> Converges if & only if it is a Cauchy Sequence.

Sn

Convergent s

nL

lim

L .Exist is Sn Seq of Lim

DefinationBy

iSn Seq -:Part IF

Couchy Criterian for Convergents

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By Defination

For Є > 0 Э integer M Such That

Sm

& Sn

mn

n

n

L

L

lim

sConvergent is Sn Seq

lim

(1)2/ L -Sn

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By Defination

For Є > 0 Э integer M Such That n ≥ M

)2(2 L - Sm /

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For Є > 0 Э integer M Such That m,n ≥ M

Couchy Converges isSn Seq

Sn - Sm

(3) & (2), (1), From

)3(Sn - L L - Sm

Sn -L L - Sm Sn - Sm

, Naw

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Only If Part :-

If Seq < Sn > is a Cauchy Sequence By Defination

For Є > 0 Э integer M Such that

m, n ≥ M

M = n+1n > m

Sn - Sm

) DecresingOr IncresingEither (

Monotonic is Sn Seq

) DecresingOr IncresingEither (

Monotonic is Sn Seq

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But, We Know

Every Cauchy Sequence is always Bounded Seq < Sn > is Monotonic & bdd

&

By Theorem

Seq is < Sn > is Convergents Hence

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Thank you……..!!!