20 votes 20 votes If $f(x) = 2x^{7}+3x-5$, which of the following is a factor of $f(x)$? $\left(x^{3}+8\right)$ $(x - 1)$ $(2x - 5)$ $(x + 1)$ Quantitative Aptitude gatecse-2016-set1 quantitative-aptitude polynomials normal + – Sandeep Singh asked Feb 12, 2016 edited Feb 19, 2016 by makhdoom ghaya Sandeep Singh 4.3k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 55 votes 55 votes for $x=1$, $f(1)=2(1)^7+3(1)-5 =0$ , so $x=1$ is a root for $f(x)$ so $(x-1)$ is factor Correct Answer: $B$ Pooja Palod answered Feb 12, 2016 edited Apr 27, 2019 by Naveen Kumar 3 Pooja Palod comment Share Follow See all 0 reply Please log in or register to add a comment.
4 votes 4 votes Put all values of x from options and equating the given equation equal to 0. (X-1) is answer. manikantsharma answered Jan 21, 2018 manikantsharma comment Share Follow See all 0 reply Please log in or register to add a comment.