Mathematics
Senior High
Solved
この問題が分かりません。解説をお願いしたいです。
6 [横浜国立大]
実数 a, b に対し, f(0) = cos20 +2asin0-6
とする。
(1) 方程式f(0)=0が奇数個の解をもつときのα, b が満たす条件を求めよ。
(2) 方程式f(0)=0が4つの解をもつときの点(α, b) の範囲を ab平面上に図示せよ。
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
![383 (1)(3]の漸近線を教えてください。
(1)では
なぜ-1-0が-∞になるのでしょうか - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1804253/thumb_l_webp_D6BF39AA-F312-4187-B4B3-7B9C5CE325B0.webp?Expires=1778975171&Signature=czrtgsCbPiw-V2Rg4XrG0~CGW0pG3h3KkIF1YQsoYVcwqOr4a-oI89G468f7APOUZYIRjKw4mJi66Lq0LFWfOELljS8IMp4K6j8RA2OuS6KKtixi~Zq9blC1ZxUReLjk~2lxmzuiTJqUqHZ5qSkGn5J0KhFrSzmz9seXzBPiYY9o2DOWAIA92W-H1~1upbaEimgTb7uPwZ6eyl1mr2dY8B0EnunjT8IosascWyQznUPlx7XwzdsY5CfqC95e8IFBG39mEsHXXLOXo55NnSJSIj~KhDC6tNw0ovstfpzgE3QMjeWIEN0QChzqYn1v~bczoP2I4roOcCk7QrCnK-YoyA__&Key-Pair-Id=K2W722D70GJS8W&Expires=1778975171&Signature=JR0XO47iSJE7PRhgpF3Kj7yvSBK1rF7ssKz2IyH0I3P1npzj3e~9mLoXYH806ca2Y0S~O-BR63N-jBEtNZ7OxHyDls9WEGWP1hzRgInaapD~gEF2tDu4avWGasT9~Q01Cp9sIh9uQLHByTpGFFbdH4DqBU9Z2QVDiLvVX-0BSP2lTDbN46JMA7jrko~LqXcF7ZYpuXpk8dcuAjYCG8gzp9TNZjf9h9lhlcEIVr7okiEw7xutgEYVI4Z6xGF7pbA04EpXOMSTeiLeIrEPEgTybtdHiucg-1rv4T9oZSM3SF7Hc0M-y8VFYeSLFr3AU1LloaswkJDMyDXcbJSSoKo22Q__&Key-Pair-Id=K2W722D70GJS8W)
![383 (1)(3]の漸近線を教えてください。
(1)では
なぜ-1-0が-∞になるのでしょうか - 2](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1804254/thumb_l_webp_6205CA1D-2D7F-4F50-B305-CE13AD405574.webp?Expires=1778975171&Signature=GR8~Ym7aNEar1cIUbyNrX3bGNQFvlAKH5ZRlNVDzCH3EfXN4uC3-b7mtZvVeanTbypg5eOuNx0xwVyS~DRKN6Ilv5XxfJ7JYQ6Lh7Hb5fX6uWcUxXzFbwZq1fbeT4sowyM0NZXqHDA9UfT74vyCipYSnrdq1r4GY3OmnMsIgr1kL3ISNS6Koag4d7RLK7hsxLNcQwpNdZlGpUmv0Uih0R1DG4VDHvffxilcCjP0nYvTKgtthhHrQMeDu4aH6crSV~UtF9QlDQy1Wy21UcvXs6o6PdpFgbBIsBYMp47mKEsecToWIrrFtXuJZolinMeaIezMC8q8bxQAURrzlUKquAg__&Key-Pair-Id=K2W722D70GJS8W&Expires=1778975171&Signature=L--QpFR4EVSPcZbhdFhqM3yugUPfe9W~KOnZfelfB~2uzOhq4DxVwclXTxJChaapFg413ON-wKYqJdUty3Du8Mu6w1t77JVTVsWnZG3d14KPN4GxD5FVYGgvQFb-hHrpDB0XrBaWGBgqWhNyLB33-PSFL72D0JJcBBJt~6tKkS05~Gg~B2pbhK0o7kG3fJbLqVE10oZZDj5NwXZ57AhIa7G0Tib4XVFT7bBiOGQZtxMrZPYZ5KcTj2O7My9PJ5jisYIesvL4nvH-PtqCSTphOx8Ob4qzyStqkGUNs2YdkpDHzLcrMEZzIuRCk4sWmg47OLqV9wWfpNnqesgZvOOPIg__&Key-Pair-Id=K2W722D70GJS8W)
![383 (1)(3]の漸近線を教えてください。
(1)では
なぜ-1-0が-∞になるのでしょうか - 3](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1804255/thumb_l_webp_F8AA55C4-A908-43F7-82CE-172C19ACF60D.webp?Expires=1778975171&Signature=Ys6avlSQHPnD9hhSMHaAKYPnN4-whtNlURGkx8Z3A0nOJ1AwQlAysovv6uGjxWP8fILh2Xmms9U9KX0ifDLacNUUGJe7ZUhB8o0ooAfDeKZAEDY46SfdR-4vsuJubRmG6zZzYwrdMiFiqAB0u9SP42tVmt8rTrb-M0vnUf9FQ4EnAH4QcKxDTkzmfgPTRz4djjgy4LrqJ3M6D4NhTuCzdbY491DwMIISJn8bzJ5OVBmYxE0Cb2~bA73uHNuhug1NTjctdrZB~n5IwI~ZN8BeKaR4BESSn3nNw8~VmzNZoa9JGdN~feUZCUilIDOXLmnk8xm1cNaMPBLKcR0bqg1NAw__&Key-Pair-Id=K2W722D70GJS8W&Expires=1778975171&Signature=buO011O8tXE1dqGc2eMY0CLrBFQrPgKuo3ay5Ic9iirtzU7yDT3zSX4atqNgc-M5RXaF~jTwQtLVgKSiTp-vsyKH5cC2Df8dvtwKVthWQJxdrqOSQlv51S5wzqlhy1SOGnRM3mRtGziK-PStvhbrnKbe0zYsbA8xao8oJykeiMGg-iHK6dIReQMwDbuq7lO6V-EUvWljb1HacTUj6kBYzyMiwBBi3~h-v9FH0x72Ux53itFprKJ9FLSANrKbAy-L37B8oiUFwLE3ztd8W0hUZU2sBEyJ5N0G1QLOO66YVfXSgrfutcLQwyk2eqrA4N2CRgfwZqze8IptoEZpLVFvJA__&Key-Pair-Id=K2W722D70GJS8W)
