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[" 8.If "(p^(2)+q^(2)),(pq+qr),(q^(2)+r^...

[" 8.If "(p^(2)+q^(2)),(pq+qr),(q^(2)+r^(2))" are in GP then prove that "p,q,r" are in "CP" ."],[" If "a,b,c" are in "AP" and "a,b,d" are in GP,show that "a,(a-b)" and "(d-c)" are "],[" in "GP.]

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If (p^(2)+q^(2)), (pq+qr), (q^(2)+r^(2)) are in GP then prove that p, q, r are in GP.

If (p^2+q^2), (pq+qr), (q^2+r^2) are in GP then Prove that p, q, r are in G.P.

If a, b, c are in A.P and a, b, d are in G.P, prove that a, a -b, d -c are in G.P.

If a, b, c are in A.P and a, b, d are in G.P, prove that a, a -b, d -c are in G.P.

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If a, b, c are in A.P. and a,b, d are in G.P., prove that a, a-b, d-c are in G.P.

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If a,b,c, d are in G.P., show that : a+b,b+ c and c+d are also in G.P.

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If a, b, c, d are in A.P. and a, b, c, d are in G.P., show that a^(2) - d^(2) = 3(b^(2) - ad) .