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Let f(x)=(6x−1)+√9x2−3x−2√3x+1+√3x−2, x∈N. If S=f(1)+f(2)+f(3)+...+f(65), then 3S13= |
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Answer» Let f(x)=(6x−1)+√9x2−3x−2√3x+1+√3x−2, x∈N. If S=f(1)+f(2)+f(3)+...+f(65), then 3S13= |
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