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Ap is 27,23,19.....-65 find its 11th …

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Ap is 27,23,19.....-65 find its 11th term from last

    • Posted by Karnail Vartiya 6 years, 2 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Palak Garg 6 years, 2 months ago

    A=27, d=23-27=-4, An=-65 An=A+(n-1)d -65=27+(n-1)(-4) -65=27-4n+4 -65=31-4n -65-31=-4n -96=-4n 96=4n 96/4=n 24=n After thatto find last 11th term, we have to sub 24-10=14 it means we to find the 14th term Now, 14th term=a+13d =27+13(-4) =27-52 =-25

    2Thank You

    Harsh Borad 6 years, 2 months ago

    -25

    0Thank You

    Vikrant Panwar 6 years, 2 months ago

    To solve this we will form the AP in reverse order So, a=-65 d=4 a11=a+10d a11=-65+40=-25

    1Thank You

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