4. Find the common difference of the following A.P:1, -2, -5,-8,….​

Question

4. Find the common difference of the following A.P:1, -2, -5,-8,….​

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Lyla 2 years 2021-07-08T05:26:57+00:00 2 Answers 0 views 0

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    0
    2021-07-08T05:28:27+00:00

    Answer:

    t1 = 1

    t2 = -2

    t3 = -5

    t4 = -8

    common difference (d) = t2 – t1 = -2-1 = -3

    = t3-t2= -5 – (-2) = -3

    hence, the common difference is -3

    0
    2021-07-08T05:28:52+00:00

    To find the common difference
    Formula is :-
    D= a2-a1
    -2-1 = -3

    So -3 is the common difference between A1 and a2
    Do the same prossece with A3 and a2
    D= a3-a2 = -5-(-2)=-3

    So the difference between all the A.p is -3

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