Cho biểu thức P= cănx-1/x+8. Tìm GTLN của P. Mong mọi người giúp

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X. Use the suggested words and phrases to write complete sentences. (10points) Dear Nam, 1. I / be / pleased / hear / that / you / your family / well. ………………………………………............................. 2. Here / photo / my family / and / let / me / tell / you / us. ……………………………………………............................. 3. Father / mechanic /. He / work / factory / suburb. ………………………………………............................. 4. He / work / five / days / a week / Monday / Friday. ……………………………………………............................. 5. He usually /go / work / motorbike / morning / so he / not free / every morning. …………………………………………………………….. 6. In free time / father/ often / play/ badminton / friends. ……………………………………………………………………………… 7. mother / teacher//. She / teach / Math / school / near / house. …………………………………………………………………………………… 8. Brother / 17 years/ and / he / grade 12. …………………………………………………………………………… 9. He / love / collect /stamps /. He / have / hundreds / stamps / collection. ……………………………………………………………………………… 10. please write / me soon / and tell / your / family. ………………………………………………………………………………