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" (A) यदि "a,b,c" गु.श्रे.में हों,तो सिद...

" (A) यदि "a,b,c" गु.श्रे.में हों,तो सिद्ध करो कि "(1)/(a+b),(1)/(2b),(1)/(b+c)" स.श्रे.में हैं। "

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