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use rolle's theorem to show that the equation 7x^6-9x^2+2=0 has at least one solution in the interval (0,1)
10 years ago

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Reiny
let f(x) = 7x^6-9x^2+2
f(0) = 2
f(1) = 7-9+2 = 0 , well , isn't that special, we accidentally found a solution

So I guess there has to be at least one solution.
10 years ago

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