Cambodian Mathematics Olympiad 2001

លំហាត់ទី ៤ ថ្ងៃទី ១៖
ដោយប្រើ ដែល x>0 ។ បង្ហាញថា៖ ដែល a>0; b>0 ។ (១៥ ពិន្ទុ)

ទាញយក​ចម្លើយទីនេះ

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