(d) $\log_{2}{\log_{2}{\log_{4}{256 + 2\log_{\sqrt{2}}2}}}$ $= {\log_{2}{\log_{2}{\log_{4}(4)}}}^{4} + 2\frac{1}{\log_{2}\sqrt{2}}$ $= \log_{2}{\log_{2}{4 + \frac{4}{\log_{2}2}}}$ $= \log_{2}{2 + 4 = 1 + 4 = 5}$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.