不等式证明 设n个正实数a1,a2,a3,...,an满足不等式(a1^2+a2^2+...+an^2)^2>(n-1)(a1^4+a2^4+...+an^4)(其设n个正实数a1,a2,a3,...,an满足不等式(a1^2+a2^2+...+an^2)^2>(n-1)(a1^4+a2^4+...+an^4)(其中n>=3)求证:a1,a2...an中任何
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![不等式证明 设n个正实数a1,a2,a3,...,an满足不等式(a1^2+a2^2+...+an^2)^2>(n-1)(a1^4+a2^4+...+an^4)(其设n个正实数a1,a2,a3,...,an满足不等式(a1^2+a2^2+...+an^2)^2>(n-1)(a1^4+a2^4+...+an^4)(其中n>=3)求证:a1,a2...an中任何](/uploads/image/z/652295-47-5.jpg?t=%E4%B8%8D%E7%AD%89%E5%BC%8F%E8%AF%81%E6%98%8E+%E8%AE%BEn%E4%B8%AA%E6%AD%A3%E5%AE%9E%E6%95%B0a1%2Ca2%2Ca3%2C...%2Can%E6%BB%A1%E8%B6%B3%E4%B8%8D%E7%AD%89%E5%BC%8F%28a1%5E2%2Ba2%5E2%2B...%2Ban%5E2%29%5E2%3E%28n-1%29%28a1%5E4%2Ba2%5E4%2B...%2Ban%5E4%29%28%E5%85%B6%E8%AE%BEn%E4%B8%AA%E6%AD%A3%E5%AE%9E%E6%95%B0a1%2Ca2%2Ca3%2C...%2Can%E6%BB%A1%E8%B6%B3%E4%B8%8D%E7%AD%89%E5%BC%8F%28a1%5E2%2Ba2%5E2%2B...%2Ban%5E2%29%5E2%3E%28n-1%29%28a1%5E4%2Ba2%5E4%2B...%2Ban%5E4%29%28%E5%85%B6%E4%B8%ADn%3E%3D3%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9Aa1%2Ca2...an%E4%B8%AD%E4%BB%BB%E4%BD%95)
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