The sum of the first p terms of an A.P. ...

The sum of the first p terms of an A.P. is q and the sum of the first q terms of the same A.P. is p. Find the sum of the first (p+q) terms of the A.P.

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The correct Answer is:

`-(p+q)`

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CHHAYA PUBLICATION-SEQUENCE AND SERIES-Exercise 9 B (Long Answer Type Questions)

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The sum of the first p terms of an A.P. is q and the sum of the first ...
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If a, b, c are in A.P. then show that, a((1)/(b)+(1)/(c )), b((1)/(c )...
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Three positive numbers a, b, c are in A.P. Prove that (1)/(sqrt(b)+sqr...
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If a(1), a(2), a(3),…, a(n) be in A.P. Show that, (1)/(a(1)a(2)) + (...
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If a(1), a(2), a(3),…, a(2k) are in A.P., prove that a(1)^(2) - a(2)^(...
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If (b-c)^(2), (c-a)^(2), (a-b)^(2) are in A.P. then prove that, (1)/(b...
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Find the sum to n terms of each of the following series : 1^(2) + 3^...
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Find the sum to n terms of each of the following series : 1.3 .5 + 3...
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Find the sum of the following series : 1+3+6+10+15+… to n terms.
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