2 votes 2 votes The number of irreducible polynomials of the form $x^{2}+ax+b$, with $a, b$ in the field $\mathbb{F}_{7}$ of $7$ elements is: 7 21 35 49 Set Theory & Algebra tifrmaths2014 polynomials non-gate + – makhdoom ghaya asked Dec 17, 2015 • edited Aug 17, 2020 by soujanyareddy13 makhdoom ghaya 370 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.