SOLUTION: (1) Prove that in any arithmetic series of which the first term is a and where the constant difference is d,the sum of the n terms is given by Sn=n/2[2.a+(n-1)d]
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Question 1140769: (1) Prove that in any arithmetic series of which the first term is a and where the constant difference is d,the sum of the n terms is given by Sn=n/2[2.a+(n-1)d]
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