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

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

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

  1. 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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