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किसी गाँव में पुरुषों की संख्या 6xy + 5y2 – 8z है, महिलाओं की संख्या 2x + yx – 2y है। बताइए पुरुषों की संख्या महिलाओं की संख्या से कितनी अधिक है?

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पुरुषों की संख्या = 6xy + 5y2 – 8z

महिलाओं की संख्या = 2x + yx – 2y

पुरुषों की संख्या महिलाओं से अधिक है = (6xy + 5y2 – 8z) – (2x + yx – 2y)

= 6xy + 5y2 – 8z – 2x – x + 2y

= 6xy – x + 5y2 – 82 – 2x + 2y

= 5y2 + 5xy – 2x + 2y – 8z

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