Question
The , and last terms of an A.P. are and respectively ; find the first term and the number of terms.
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Practice questions from similar books
Question 1
Sum of first six terms of an is . The ratio of its term to term is find the first and of an .Question 2
The interior angles of an octagon are in A.P. The smallest angle is and the common difference is .Find the sum of all the angles. Question Text | The , and last terms of an A.P. are and respectively ; find the first term and the number of terms. |