5½ express the follwing fraction as percentage​

Question

5½ express the follwing fraction as percentage​

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Isabelle 3 weeks 2021-09-07T12:53:24+00:00 1 Answer 0 views 0

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    0
    2021-09-07T12:54:24+00:00

    Answer:

    Please mark it as brainliest

    Step-by-step explanation:

    Sum of first n terms,

    S

    n

    =

    1−r

    a(1−r

    n

    )

    Sum of terms from (n+1)th to 2n th term is,

    S

    2n

    −S

    n

    =

    1−r

    a(1−r

    2n

    )

    1−r

    a(1−r

    n

    )

    =

    1−r

    a(r

    n

    −r

    2n

    )

    Ratio,

    =

    1−r

    a(r

    n

    −r

    2n

    )

    1−r

    a(1−r

    n

    )

    =

    r

    n

    −r

    2n

    1−r

    n

    =

    r

    n

    (1−r

    n

    )

    1−r

    n

    =

    r

    n

    1

    Hence proved.

    Answered By hari00_s

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