Proszę o pomoc dam naj! (: Zad 1. c + 1/4 = 1 - 1/2c / - Kreska ułamkowa Zad 2. a) (x - 1)(x - 4)(x - 6) = 0 b) (x + 2)(x - 3)(x + 5) = 0 c) x(x - 2)(2x - 1) = 0 d) x²(x² - 4)(x² - 9) = 0

Zad. 1 c + 1/4 = 1 - 1/2c     |*4 4c+1=4-2c 2c=3 c=1,5 Zad 2. a) (x - 1)(x - 4)(x - 6) = 0 x-1=0 v x-4=0 v x-6=0 x=1 v x=4 v x=6 x∈{1, 4, 6} b) (x + 2)(x - 3)(x + 5) = 0 x+2=0 v x-3=0 v x+5=0 x=-2 v x=3 v x=-5 x∈{-5, -2, 3} c) x(x - 2)(2x - 1) = 0 x=0 v x-2=0 v 2x-1=0 x=0 v x=2 v x=1/2 x∈{0, 1/2, 2} d) x²(x² - 4)(x² - 9) = 0 x²=0 v x² - 4=0 v x² - 9=0 x=0 v x=2 v x=-2 v x=3 v x=-3 x∈{-3, -2, 0, 2, 3}