The pth, qth and rth terms of an A.P. are a, b and c respectively.
Show that a(q – r) + b(r-p) + c(p – q) = 0
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SOLUTION
GIVEN
The pth, qth and rth terms of an A.P. are a, b and c respectively.
TO PROVE
a(q – r) + b(r-p) + c(p – q) = 0
EVALUATION
Let x be the first term and d be the Common Difference of the Arithmetic progression
Therefore
So
Similarly
Now
Hence proved
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