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If the range of the function f(x)=8(sin4x+cos4x−sinxcosx) ∀ x∈R is [a,b], then the value of (limx→a(3x+b−1)1/3−(b−1)1/3x−a)−1 is

Answer» If the range of the function f(x)=8(sin4x+cos4xsinxcosx) xR is [a,b], then the value of (limxa(3x+b1)1/3(b1)1/3xa)1 is


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