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[" EXAMPLE "28" The "p^(th)" term of an ...

[" EXAMPLE "28" The "p^(th)" term of an "A.P." is a and "q" th term is b.Prove that the sum of its "(p+q)" terms is "],[(p+q)/(2){a+b+(a-b)/(p-q)}.quad " [NCERT EXEMPLAR] "]

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