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Example 6. If the pth term of an A.P. be q and the gth term be p; prove that the[M.D.U. 2017(p +q)th term is zero. |
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Answer» pth term is q so a+(p-1)d = q qth term is p so a+(q-1)d = p so (p+q)th term is a + (p+q-1)d = a + pd + qd - d = 0 |
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