0 votes 0 votes Let $u=( \log_2 x)^2 – 6 \log_2 x + 12$ where $x$ is a real number. Then the equation $x^u =256$, has no solution for $x$ exactly one solution for $x$ exactly two distinct solutions for $x$ exactly three distinct solutions for $x$ Quantitative Aptitude cat2004 quantitative-aptitude logarithms + – go_editor asked Jan 14, 2016 • edited Mar 30, 2022 by Lakshman Bhaiya go_editor 13.8k points 456 views answer comment Share See all 0 reply Please log in or register to add a comment.