0 votes 0 votes If the equation $x^3 – ax^2 + bx – a = 0$ has three real roots, then it must be the case that $b=1$ $b \neq 1$ $a=1$ $a \neq 1$ Quantitative Aptitude cat2000 quantitative-aptitude cubic-equations + – go_editor asked Mar 29, 2016 • edited Apr 14, 2022 by Lakshman Bhaiya go_editor 13.9k points 289 views answer comment Share See all 0 reply Please log in or register to add a comment.