(1-1 / 2 of the square) (1-1 / 3 of the square)... (1-1 / 2013 of the square) = to simplify the calculation process

(1-1/2²)(1-1/3²)…… (1-1/2013²)=(1-1/2)(1+1/2)(1-1/3)(1+1/3)…… (1-1/2013)(1+1/2013)=1/2×3/2×2/3×4/3×…… We are very happy to answer for you

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