求一个向量[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex],使它同时垂直于[tex=1.571x1.214]w1GOTZhwvOPi8dgcQPNrDQ==[/tex]和[tex=2.143x1.143]v6D6tRqik+W+xHmKeA4U6A==[/tex].
举一反三
- 静止型[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]地中海贫血患者之间婚配,生出轻型[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]地中海贫血患者的可能性是 A: 0 B: 1/8 C: 1/4 D: 1/2 E: 1
- 求向量[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]与[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]的夹角:[tex=5.429x1.357]28vNNArDuRRnb+06piGt7g==[/tex],[tex=6.143x1.357]Uqwu1QGYB2waFjV52ImPKg==[/tex] .
- 求向量[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]与[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex]的夹角:[tex=5.429x1.357]2a1nHnVLv213QxcHtU3H+w==[/tex],[tex=5.357x1.357]1D0C8TkZZ+4Sbb/nx0LsXA==[/tex] .
- 求正数[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex],使它与其倒数之和为最小
- 若级数[tex=10.214x2.714]ySadpvq7BrEZCGdcnD6+aTA5YZwdRnDTPnojmB3KZN0qXEJrPXN6UXsy5STwbher0t/7gXm9NnMaXo5RS8HU7w==[/tex]收敛,则[tex=0.571x0.786]c59+3vo0/Vn/FvNRhDRu5g==[/tex]的取值为[input=type:blank,size:6][/input].