If p , q and r are in AP , then prove that (p+2q-r)(2q+r-p)(r+p-q)=4pq

1.	If p , q and r are in AP , then prove that (p+2q-r)(2q+r-p)(r+p-q)=4pqr
Answer» Alkesh ye kaise kiya Pqr (1+2×1-1)(2×1+1-1)(1+1-1) = pqr (2)(2)(1) = 4pqr Pqr (1+2×1-1)(2×1+1-1)(1+1-1) pqr (2)(2)(1) 4pqr Yar koi solve kar do

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