计算[tex=9.643x2.643]R9RaQILMZ31ViFFClgWPiNDHyeMh8ZNduKoyOZsYFQqKX8SwJExAy8Odzz6+cWAK[/tex] , 其中[tex=0.714x1.0]Hl8mr56J4t0Ek5ZoqbFYYg==[/tex]是 折线[tex=2.286x1.0]NUuG7+ZzrqHobeH3jMZzYg==[/tex], 其中[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]为点 [tex=3.429x1.357]iKRKYCFRaf+Tq5Gm18Ex9Q==[/tex]为点[tex=3.429x1.357]QcfmunS1mDSiaSEc+rQJ5g==[/tex]为点[tex=2.286x1.357]/a/vJiIC3Rr22SylXe49cg==[/tex]
举一反三
- 若:(1)函数 f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数;(2)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数,而函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]有导数;(3)函数f(x)在点[tex=3.714x1.357]7VByCIzkNySq3s2l9I6f5zccNJDeV+6SQrVr3iwjgB0=[/tex]没有导数及函数g(x)在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数,则函数[tex=5.643x1.357]GmtX7Vop79exGU/rpqXUYw==[/tex]在已知点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]的可微性怎样?
- 判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]
- 求[tex=12.929x2.643]IjTYqeilRWF1DwJgwsQznj7mpMXGyuSHkUKgWXc8+NlljZ2rBIJOP1RMuuuyrKzULD8Ytd3ewegOHNFVO2nER9hDWw6FU/gBkiQ25cICvaY=[/tex],其中[tex=0.714x1.0]Hl8mr56J4t0Ek5ZoqbFYYg==[/tex]是过点[tex=3.0x1.357]yPUhbQ8RR6Ahm8pLrd+dXg==[/tex],[tex=2.857x1.357]LK6pE1sDNhU/SjlFOIYRXQ==[/tex],[tex=3.0x1.357]/VuzcHm7DdPFXBU67B3TEw==[/tex]的圆周从点0至[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]再到[tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex]的一段.
- 若:(1)函数 f(x)在点[tex=0.929x1.0]cjoIbYuE/p4IqfLA8eA4ZA==[/tex]有导数,而函数g(x)在此点没有导数;(2)函数f(x)和g(x)二者在点[tex=0.929x1.0]cjoIbYuE/p4IqfLA8eA4ZA==[/tex]都没有导数,可否断定它们的和[tex=7.214x1.357]oX568MWmpJJk2c1dN8FEzQ==[/tex]在点[tex=2.286x1.0]DSJKaWfJALImFxxTg/8qhA==[/tex]没有导数?
- 设曲线 [tex=0.714x1.0]Hl8mr56J4t0Ek5ZoqbFYYg==[/tex]上任一点 [tex=2.929x1.357]25jAdQ4EVKhlk22U111yAg==[/tex] 满足 [tex=4.357x1.214]LNDW8j7QgtFNvrPd5Ot3Cg==[/tex], 其中点 [tex=0.786x1.0]AOSTmhvIsOwsdZlGoks7dg==[/tex] 为曲线在点 [tex=1.0x1.0]h30MGzl4YMzpZdtHWcz0bA==[/tex]处的切线与 [tex=0.5x1.0]yBR4oiFoTexGaFalQ7m8kg==[/tex] 轴的交点,点 [tex=0.857x1.214]to/MrMoO1ux8UhZHnpEvBg==[/tex] 为点 [tex=0.643x1.0]WUJ/JHItsc3Bqx1WYNJcrg==[/tex] 在 [tex=0.571x0.786]ZKO2xs0EgSemzoH7MSmYTA==[/tex] 轴上的投影点. 已知 [tex=0.714x1.0]Hl8mr56J4t0Ek5ZoqbFYYg==[/tex] 过点 [tex=2.286x1.357]/a/vJiIC3Rr22SylXe49cg==[/tex]. 求曲线 [tex=0.714x1.0]Hl8mr56J4t0Ek5ZoqbFYYg==[/tex] 的方程.