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CBSE Class 10 Answered

The pth term of an A.P is q and qth term is p.find (p+q)th term.
Asked by | 10 Feb, 2012, 11:28: PM
answered-by-expert Expert Answer
Let the 1st term be a and common difference be d
So
Tp = a + (p-1)d = q
Tq = a + (q-1)d = p
On Solving we get , d = -1 , a = p + q - 1
Tp+q = a + (p+q-1)d = p+q-1 + (p+q-1)(-1) = 0
Answered by | 11 Feb, 2012, 11:02: AM

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