C-04-Q224mediumsingle_mcq1log10e=?\dfrac{1}{\log_{10} e} = ?log10e1=?aloge10\log_e 10loge10blog1010\log_{10} 10log1010clogee\log_e elogeedlog10e\log_{10} elog10eব্যাখ্যাBy the reciprocal (inversion) property of logarithms, 1logba=logab\dfrac{1}{\log_b a} = \log_a blogba1=logab. Hence 1log10e=loge10\dfrac{1}{\log_{10} e} = \log_e 10log10e1=loge10.