向量我用大写字母,已知向量A=(√3/2,-1/2),B=(1/2,√3/2).(√是根号)若存在不同时为零的实数k,t,使向量X=A+(t^2-k)*B,向量Y=-sA+tB,且X垂直Y (1)试求函数关系式s=f(t) (2)若s=f(t)在[1,+∞)上是增函数,求k
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![向量我用大写字母,已知向量A=(√3/2,-1/2),B=(1/2,√3/2).(√是根号)若存在不同时为零的实数k,t,使向量X=A+(t^2-k)*B,向量Y=-sA+tB,且X垂直Y (1)试求函数关系式s=f(t) (2)若s=f(t)在[1,+∞)上是增函数,求k](/uploads/image/z/9325880-8-0.jpg?t=%E5%90%91%E9%87%8F%E6%88%91%E7%94%A8%E5%A4%A7%E5%86%99%E5%AD%97%E6%AF%8D%2C%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8FA%3D%EF%BC%88%E2%88%9A3%2F2%2C-1%2F2%EF%BC%89%2CB%3D%281%2F2%2C%E2%88%9A3%2F2%29.%28%E2%88%9A%E6%98%AF%E6%A0%B9%E5%8F%B7%29%E8%8B%A5%E5%AD%98%E5%9C%A8%E4%B8%8D%E5%90%8C%E6%97%B6%E4%B8%BA%E9%9B%B6%E7%9A%84%E5%AE%9E%E6%95%B0k%2Ct%2C%E4%BD%BF%E5%90%91%E9%87%8FX%3DA%2B%EF%BC%88t%5E2-k%29%2AB%2C%E5%90%91%E9%87%8FY%3D-sA%2BtB%2C%E4%B8%94X%E5%9E%82%E7%9B%B4Y+%281%29%E8%AF%95%E6%B1%82%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8Fs%3Df%28t%29+%282%29%E8%8B%A5s%3Df%28t%29%E5%9C%A8%5B1%2C%2B%E2%88%9E%29%E4%B8%8A%E6%98%AF%E5%A2%9E%E5%87%BD%E6%95%B0%2C%E6%B1%82k)
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