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Write first four terms of A.p. …

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Write first four terms of A.p. when the first term a and the commom difference are given as a=-1.25and d=-0.25

    • Posted by Shaikh Samim 5 years, 1 month ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Gaurav Seth 5 years, 1 month ago

    a = - 1.25, d = - 0.25

    Let the series be a1, a2, a3, a4 …

    a1 = a = - 1.25

    a2 = a1 + d = - 1.25 - 0.25 = - 1.50

    a3 = a2 + d = - 1.50 - 0.25 = - 1.75

    a4 = a3 + d = - 1.75 - 0.25 = - 2.00

    Clearly, the series will be 1.25, - 1.50, - 1.75, - 2.00 ……..

    First four terms of this A.P. will be - 1.25, - 1.50, - 1.75 and - 2.00.

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