1.

Let f(x) be positive, continuous, and differentiable on the interval (a,b) and limx→a+f(x)=1,limx→b−f(x)=31/4. If f′(x)≥f3(x)+1f(x), then the greatest value of b−a is

Answer»

Let f(x) be positive, continuous, and differentiable on the interval (a,b) and limxa+f(x)=1,limxbf(x)=31/4. If f(x)f3(x)+1f(x), then the greatest value of ba is



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