设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围1)如题2)(4)2x次方-(2)2x+2次方+3<0的解集3)解不等式:根号下(2x+5)>x+14)解不等式:log(x-3)
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![设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围1)如题2)(4)2x次方-(2)2x+2次方+3<0的解集3)解不等式:根号下(2x+5)>x+14)解不等式:log(x-3)](/uploads/image/z/4323141-45-1.jpg?t=%E8%AE%BEA%3D%EF%BD%9Bx%E4%B8%A8logx%285x%26sup2%3B-8x%2B3%29%EF%BC%9E2%EF%BD%9D%2CB%3D%EF%BD%9Bx%E4%B8%A8x%26sup2%3B-2x-a4%E6%AC%A1%E6%96%B9%2B1%E2%89%A50%EF%BD%9D%2C%E5%B7%B2%E7%9F%A5A%E7%9C%9F%E5%8C%85%E5%90%AB%E4%BA%8EB%2C%E6%B1%82a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B41%EF%BC%89%E5%A6%82%E9%A2%982%EF%BC%89%284%292x%E6%AC%A1%E6%96%B9-%EF%BC%882%EF%BC%892x%2B2%E6%AC%A1%E6%96%B9%2B3%EF%BC%9C0%E7%9A%84%E8%A7%A3%E9%9B%863%EF%BC%89%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8F%EF%BC%9A%E6%A0%B9%E5%8F%B7%E4%B8%8B%EF%BC%882x%2B5%EF%BC%89%EF%BC%9Ex%2B14%EF%BC%89%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8F%EF%BC%9Alog%EF%BC%88x-3%EF%BC%89)
设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围1)如题2)(4)2x次方-(2)2x+2次方+3<0的解集3)解不等式:根号下(2x+5)>x+14)解不等式:log(x-3)
设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围
1)如题
2)(4)2x次方-(2)2x+2次方+3<0的解集
3)解不等式:根号下(2x+5)>x+1
4)解不等式:log(x-3)(x²-3x-4)<2 ((x-3)为底数)
5)若不等式x²-logmx<0在(0,1/2)范围内恒成立,则实数m的取值范围(m为底数)
6)不等式丨log3(3-x)丨≥1的解集为?(3为底数)
能做出哪题就解答哪题,
设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围1)如题2)(4)2x次方-(2)2x+2次方+3<0的解集3)解不等式:根号下(2x+5)>x+14)解不等式:log(x-3)
设A={x丨logx(5x^2-8x+3)>2},B={x丨x^2-2x-a^4+1≥0},已知A真包含于B,求a的取值范围
logx(5x^2-8x+3)>logx(x^2)
logx[(5x^2-8x+3)/x^2]>logx(1)
[(5x^2-8x+3)/x^2]>1
(5x^2-8x+3-x^2)/x^2>0
log3 (3-x)
f(x)=logx(-2x²+5x-2),求f(x)的单调区间
设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围1)如题2)(4)2x次方-(2)2x+2次方+3<0的解集3)解不等式:根号下(2x+5)>x+14)解不等式:log(x-3)
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设A={x丨logx(5x²-8x+3)>2},B={x丨x²-2x-a4次方+1≥0},已知A真包含于B,求a的取值范围
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