对于任意集合[tex=3.143x1.214]AzJo3adgy/F6bG6VkREXqA==[/tex],由[tex=6.214x1.143]XkXTCjBnzTMJFQys6QpLvMvDcABJ99RaB5mRi+pIdpM=[/tex]能否得出[tex=2.857x1.0]Rit4L8mrHIrAlUefisGp0w==[/tex],为什么?若[tex=2.929x1.214]lbA045LDOb025xNexIQdANiqM6/WJGGUxoat7Jmjzz0=[/tex]呢?
举一反三
- 设[tex=3.143x1.214]AzD8UYoy+kTlHC4wZn4aJg==[/tex]是集合,若[tex=6.214x1.143]g3uzwgI4hX7fkouVOaXKbsmw5Q+LiLkzQKQErpigUCM=[/tex],则[tex=2.857x1.0]Rit4L8mrHIrAlUefisGp0w==[/tex]。
- 设f(x)具有性质:[tex=8.571x1.357]8gPeznjMnng12qtkk9Vgczii1Sh4d1qJxc9iHYT5+YI=[/tex]证明:必有f(0)=0,[tex=5.5x1.357]rt5qCY7TXHcsFUQrD44nPA==[/tex](p为任意正整数)
- 向量[tex=5.643x1.286]UOUVlYY3Owd/9Y+4aGhD2Q==[/tex]在[tex=4.786x1.286]x/DRKltwGOjd6FFY9joZ6Q==[/tex]上的投影[tex=3.214x1.286]HwD6aHO6Qt0l6J++EPGgPBkdil9ILD3xu4YblbhvSoE=[/tex][input=type:blank,size:6][/input] ,[tex=0.5x1.286]PGyKeLDo0qv9T0n29ldi6w==[/tex]在[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]上的投影[tex=3.143x1.286]HwD6aHO6Qt0l6J++EPGgPJ4STKvTqeKlzMVUIz66NNQ=[/tex][input=type:blank,size:6][/input] .
- 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]
- 已知函数[tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]对任意的[tex=0.5x0.786]Ytv34oUNSp2ODJHuJYvXLg==[/tex]、[tex=2.571x1.071]fj6VUhaIkn3gVXx4fLKIOftakJ0iFf7vhZLdrH4yVE0=[/tex]满足:[tex=11.286x1.357]4qSSeGwWRF+xShFNqoZKdEAU7mZGlb6w9DNR8QOogQI=[/tex],且[tex=5.357x1.357]dCq6eeh+39TcHIdEA8Uzfg==[/tex],则[tex=1.786x1.357]iXt6DDo9spV6GqObEkiNeg==[/tex]的值为 A: 0 B: 6 C: -6 D: -12 E: 12