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If p, q and r are in GP and the equations px2+2 qx+r=0 and dx2+2 ex+f=0 have a common root, show that dp,eq and fr are in AP. |
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Answer» If p, q and r are in GP and the equations px2+2 qx+r=0 and dx2+2 ex+f=0 have a common root, show that dp,eq and fr are in AP. |
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