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क्रमचय और संचय के प्रचलित संकेत अनुसार निम्न में से कौन-सा संबंध सही है ?

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क्रमचय और संचय के प्रचलित संकेत अनुसार निम्न में से कौन-सा संबंध सही है ?

(A) nCr = nPr × r!
(B) nPr = nCr + r!
(C) nPr = \(\frac{^nC_r}{r!}\)
(D) nCr = \(\frac{^nP_r}{r!}\)

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1 Answer

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सही विकल्प है  (D) nCr = \(\frac{^nP_r}{r!}\)

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