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If f2(x)+g2(x)+h2(x)≤2 and u(x)=2f(x)+3g(x)+4h(x), then the maximum value of u2(x) is equal to

Answer» If f2(x)+g2(x)+h2(x)2 and u(x)=2f(x)+3g(x)+4h(x), then the maximum value of u2(x) is equal to


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