Mathematics · Permutations and Combinations

यदि 27Pr+7 = 7722 × 25Pr+4 है, तो r का मान ज्ञात कीजिए।

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यदि 27Pr+7 = 7722 × 25Pr+4 है, तो r का मान ज्ञात कीजिए।

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यदि 27Pr+7 = 7722 × 25Pr+4 है, तो r का मान ज्ञात कीजिए।

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