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Deepak Bora
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a = – 1, d = 1/2. Find the first four terms of the A.P.

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The question is of NCERT, Ex. 5.1 Q.2 (iv). In the given question you have to find out the first four terms from the information which has been provided above . This question is from of A.P.

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  1. Solution:

    a = – 1, d = 1/2

    Let trhe A.P be a1, a2, a3, a4, a5 …

    a2 = a1+d = -1+1/2 = -1/2

    a3 = a2+d = -1/2+1/2 = 0

    a4 = a3+d = 0+1/2 = 1/2

    The first 4 terms of the A.P are -1, -1/2, 0 and 1/2.

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