1.

\(\frac{1}{{{{\log }_2}x}} + \frac{1}{{{{\log }_3}x}} + \frac{1}{{{{\log }_4}x}} + \ldots .. + \frac{1}{{{{\log }_{50}}x}},x \ne 1\) is equal to

A. \(\frac{{50}}{{{{\log }_{50}}x}}\)
B. \(\frac{{49}}{{{{\log }_{49}}x}}\)
C. \(\frac{{1}}{{{{\log }_{50!}}x}}\)
D. \(\frac{{1}}{{{{\log }_{49!}}x}}\)
Answer» D. \(\frac{{1}}{{{{\log }_{49!}}x}}\)


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