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Let y=f(x) be a thrice differentiable function defined on R such that f(x) = 0 has atleast 7 distinct zeros, then minimum number of zeros of the equation f(x)+9f′(x)+27f′′(x)+27f′′′(x)=0 is

Answer» Let y=f(x) be a thrice differentiable function defined on R such that f(x) = 0 has atleast 7 distinct zeros, then minimum number of zeros of the equation f(x)+9f(x)+27f′′(x)+27f′′′(x)=0 is


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