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यदि x^(2)-3x+p=0 के मूल a तथा b है तथा ...

यदि `x^(2)-3x+p=0` के मूल a तथा b है तथा `x^(2)-12x+q=0` के मूल c तथा d है, जहाँ a, b, c, d गुणोत्तर श्रेणी के रूप में है। सिद्ध कीजिए कि `(q+p):(q-p)=17:15.`

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