0 votes 0 votes Let 3+4j be a zero of a fourth order linear-phase $FIR$ filter. The complex number which is $NOT$ a zero of this filter is $3-4j$ $\frac{3}{25}+\frac{4}{25}j$ $\frac{3}{25}-\frac{4}{25}j$ $\frac{1}{3}-\frac{1}{4}j$ Others gate2015-in + – Milicevic3306 asked Mar 26, 2018 • edited Nov 23, 2020 by soujanyareddy13 Milicevic3306 7.9k points answer See all 0 reply