176 Bài trắc nghiệm Hàm số từ đề thi Đại học cực hay có lời giải chi tiết (P2)

Tìm tất cả các giá trị thực của tham số m sao cho hàm số y=(m-sinx

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Tìm tất cả các giá trị thực của tham số msao cho hàm số y=m-sinxcos2x nghịch biến trên khoảng (0;π6)?

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Giải thích

Chọn B

Đặt fpaSMv2RyVYyMJEvYHRW96JCOVVLn6mSMiIxf0Sgay1vBPJkN5q9P_m6AC2XEyUyLwJTolOklq5Mtkq5DWOD2m0aTSTAnzDcOipRNoyo33_fuHr-eMsONwlQ1annxIP2Fw1BcAZvJ5UVrdDeaA ta có N3COV2dYfXkPnHbfPQ7RuVKO2-ZzSYsNLd4pHlUGzRp7O8IRBqMSJLiDAF_91vIR86iTy5pGTqd4lmvRKQQmEW7JOqBjIN-ashRVMHQ7sKd1XO3WMgaEtL5LK5Tfc_Lltx5tOIPZySPdLEXiBQ5V1PvulZEgl5AglLZ_h74tYIC6QRBXTB75On0a869iV4VJGoNHVOI4bZ8525F2BLV1HoROAugEJqDRvoMk6rJ3tSbDdEkhYx_MHdZATa8TOTx-Bbz29oIuzl4GlEaa8Jp1kkYyuedGmRgvPGnQH5cvqP_mOnxKnfeCFKdigb939yFROIjYJ65zDwB4Y17otlp0YxNxJz1oMUXYdLeQyw_4ZJcNcCCVl-jz8cTpMTZPvSDam0IyCcSgNd-kMTyzscBBE_9C4sqf3Z7AQvr9IBDwyHG2xAJSRrX9Yg để hàm số nghịch biến trên khoảng 0dNfKsLaUzzGr2F18iWXL_kOc0Td0XjWjKBkHpsKoNf2s_h5vyRuD79hk36Scfdr8Cf8S41RWc0izJEpNI5F69pAGUUhwnaMeuepxxjZ84kdHdQ9aq3ONTEFB1OcAdH8L6mzcyF07iY4n_RtRA thì GQ2SnPh_hDt8zzogJgUkN9Rjm47mVGbynhNASlq24T74OTA5UHtGD3iveb1pTMzqz0dqEn0sqFvdl6dwxxKn70BlPRRcKOyGhlmwc1uEcVly5m_BN5eJQwAKR_7K2ySM04XA9o8_5PLRAG0Q-gxlPwKOmOI58rgPvUxTRpPb10w3ySr3yXKkDyf4PmTauWLjXEoKU_Xz0hf_avt1M31W-ckgRPu8z5D2WUitZk0KWzYIpe8OoeUBKcPuhzEXJ2GlRCs9c4i3LGaBCpxiszjlMOZp0oMFUunDLeGA.

Th1: zfgStqasQNnnizO6zx7sork5HPySL9QmE62_7r15HVpUhVRTeRNerGgAdLW3VqgTDgolVWnBvCV_gkn6yHIeMfJoDQsC-U8X0mbJ9RBsHyqmkYrb-JTjS_7cnwdf3HwAXb5OyIyQD6BJw1-I1QOA61yiBuID9vGUJhVu3DDOpQ7dnHRs1y3DMtfoPjF8RfXlQ0G-9LunYTY49cest3qovokKNcu4mQNYr2hKBwaggWqcPIbtqYjzIE-m2q9f-kycbJMYWIcrY5aMp_ZIdmcl0Z_5ibpQcSivhkqwO-5X-TCwaAtYmgkmrjn_mH6RDGcL3upo8yg71dx_RIBh0hpkQeWX31D1q2Zb-Q--HQQSAsX43AhkNAT5hcLQShQL272OYPiYDW3AG1mvy3JNpBTiIQ1WMRE3xMgpWb1AX73uBtcJQ7LGpwh9lw.

Th2:JQ7xrrDvTaB0nP84gJYGYbSH28g07a8KixCzd20-sKmbgfqnVEcAjkPhNKG-J4R57uRfiZTqQ5KtvFR4_qtQc4rypoNqzqoG2YCOGs-Z6JhVYV88CKNY0krEEzXjw_ADvm66Zy2AQDyENQsk4A để Mgc-c4Z6wVfEK8OBW1HMfMzHY8SJMUVU_EIdkFWnSRESBanwl0TPXdmUlJt68Ds1w2754mB2aUVy5C77s20-BasCNJSDPL7re4c3WJxXGX9NaknfL1X1RxJ1PkR831MkVzWX8GNta67kDlBg2A thì E6TePDZcpwK7kksCFpYWaTblRD4ATa2FsMTihmeYkj6HWx8jJQhTgzhFaTuRlsz1nUdRzrwugbYmAUQ6EuwAFa-0PfLkRlFZ7g1AXe4AIK0yV812xRjuRnvs5Px7kKViAi_46PmhtwqLavOwxwy6DwS2c2rXeUikRiMGiuJUsHcVq9RDyuj6pAFRHb9QpDjS6RiGKqwqQlOUVoqR5JioTs3DAaVIxoml2fzfdRqIOIqdOWnTeKv_X8eWpBkIQ7KvOBsQcFj4KAcU3oH2rfurl4dw1ZOiVfZGitEQEquxn3ZUFtjv6jXYo0-Rb-AqpwDnaXZhyXZmZj6jCAmLkFbfD82IBy4jyActqhj9oKYo_z540xSDcqm2lV3ZaC98zGSqhwAzxvdR5ecbVwHWVJfRw0vMFT--XvtMz_MN6ftV8iOxbN6mVUXedQ hay NQkALGK64cV8HlreGlfRLVU2pBCQ9HyP05AXZnHfk41_5k3mhJ_iQV9VZ30C_j_yl-bRWeWTz0ZpGHs6OW4MmVBUr41DHkEPSX8JSWSMrVfMZ5-kmXtdmgyTiGlSOGRTfadreSi0kd9rjpWgbQ.

Th3: xrT-ikd8jyr3Sg4F6FYmuUo4PqTQTDsKuWWOwVp8ER3fdsbHw-Ebw9TR0m8sCDxndbkuFEYD7roJEnneFGy5WZSynVEiFOnvCDLVgcNlkvt97HgINXVgP4HKy--VBG0qmgabqd_GU4WAYLBxWQ để rR-FkQufqP_EbRnxivmy_H_IvQdT2SQVQv2kMuRPXaY_9Y1ssrZN7aw2BsCJ_jEUrTRBxBriDts2jzmWtvxl8id_Lbw7glsL3QD_1Bbzs2qi8NrRoncy_foR4iAL4Gkb5spvdiVuzI_MjW0lCg thì 250Jr5kfUTX29ez3IMEJ95VlJZ1veHpjhZr6Q4wtVKduPqC3oAyoe_CKMrxrWdo3yX1So2nz52lHxsiPKcvI_CcCh1uNjxRn6VopvIfiMc4Z_-n2EvwMBF7h01vcjpOUZuScsKEKAO_P2GIyvQrqCjCnPItuPHO_j9lwByUnUTbR8xMMAgM49FoPRaxaPqFcONoVtFyYIUPMUOeplE6BuLeBTu0xAMwkBzcbjgW1Pv3Py64TJhKxH9mkxG79xynLjznLKqrPNvvGBkPsFvPdOdEU2AR8Y4X3Q1Gw hay 5Ccnf_a5BJCUoeNCMGJ9Zs-x5RpW2CH2yalVJ77boGlfk4T_bBDrnoUt4dF7zDOk1erWXhCFwL-MnXEM9N_e3890CoiQnhKtzBy9HC-kctsqnPlg62OBWnliDWTtpYPutueANnE-lJUGmj2wbQ.

 

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