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2∫−3λcosxcosx+cos(1+x)dx=52, then ∣∣∣λ−1λ∣∣∣+∣∣∣λ+1λ∣∣∣ is equal to

Answer» 23λcosxcosx+cos(1+x)dx=52, then λ1λ+λ+1λ is equal to


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