Sum of the first p, q and r terms of an A.P. are a, b and c, respectively. `\"Prove that \"
Channel: Doubtnut
Date: 2019-12-27

Sum of the first p, q and r terms of an A.P. are a, b and c, respectively. `\"Prove that \"(a)/(p)(q-r)+(b)/(q)(r-p)+(c)/(r)(p-q)=0`

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