Question 43: Let (M = frac{1}{{{2^2}}} + frac{1}{{{3^2}}} + frac{1}{{{4^2}) }} + ldots + frac{1}{{{9^2}}}). Which of the following assertion true?

Question 43: Let (M = frac{1}{{{2^2}}} + frac{1}{{{3^2}}} + frac{1}{{{4^2}) }} + ldots + frac{1}{{{9^2}}}). Which of the following assertion true? A. (M = frac{8}{9}) B. (frac{2}{5} frac{1}{{2.3}} + frac{1}{{3.4 }} + …

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