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[ÇóÖú] NTU TPT one math problem. ÒÑÓÐ1È˲ÎÓë

One math NTU TPT problem.

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a>0, b>0

µ±x-->0£¬lim[(a^x-a*lnx)/(b^x-b*lnx)]^(1/x^2)¡£ÇóÏêϸ¹ý³Ì¼Ó´ð°¸£¬Ð»~

Please help me.

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