试证明[tex=3.0x1.214]IUHrYHrM08MGOPGYrhrf7lrE2bY1p1ex4nRajltli6M=[/tex]，[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex]逻辑蕴含[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]
举一反三
- 设集合[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]和[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex],且[tex=9.0x1.286]UAF5zept/c62KMXELvSGGfAwG2qylwDgM7o3RINViA7TqPJDrBVi4FZZoSvYhlYI[/tex]证明:[tex=12.071x1.357]Y5IiK8bdaDJGfIwXCUX7R+ai677sJrHfojsrCo44sxQa1ewkG9Ld67z46GhxKM5x4OQU6RpwKU97q00GHnSsTyB2cV6HJ+TgOtJRqh0Puco=[/tex]
- 设集合[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]和[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex],且[tex=9.0x1.286]UAF5zept/c62KMXELvSGGfAwG2qylwDgM7o3RINViA7TqPJDrBVi4FZZoSvYhlYI[/tex]证明:[tex=7.857x2.0]ml3J+0hEclGfkoBj6hNrTkcUsziUVX4exOX2EeHgRFEUQEqpiFbezmamaoXwQi/j[/tex]
- 如图，在曲线[tex=2.286x1.429]qOD0bBSg/KT4jxyhefRIrw==[/tex]上取一点[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]，过[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]的切线与该曲线交于[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex]，证明：曲线在[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex]处的切线斜率恰好是在[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]处切线斜率的四倍。[img=124x125]1772d9b8d57eb84.png[/img]
- 下面的断言如果是真的证明它们，如果是假的，找出[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]和[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex]的解释以证明公式是假。[tex=16.786x1.357]ZqfpriyvqXhpQ5nxOR3QDZ0hsuFVeVLuMJnKeuFIKXbPhb3MrMp5xUtSdcC5h02HjkaH2u7Z9oQ0yNPwZ/Qw7UPFzCIYtxSZg8lBvTiALP1V80oAGFHuHYGE+pynwCjN[/tex]
- 下面的断言如果是真的证明它们，如果是假的，找出[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]和[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex]的解释以证明公式是假。[tex=16.786x1.357]AtEtc5HMzrxiqsccCBuTGJZFhoTNhIvVcRm6XwLVzEQqH+B/jQ1XXVLB9ZIyYs1ikHZEiyg6xAStmNfu5H8pckPIwAOSXiBFcRtRaciL9U9ZWj7iofnD7qpWYuJlxlP7[/tex]