यदि किसी गुणोत्तर श्रेणी का pवाँ, qवाँ त...

यदि किसी गुणोत्तर श्रेणी का pवाँ, qवाँ तथा rवाँ पद क्रमश: a,b तथा c हो, तो सिद्ध कीजिए कि `a^(q-r) b^(r-p)c^P-q) = 1`

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