Zadanie nr 18 z Matury podstawowej 2019

$a = -4 \; i \; b = -2$

$\displaystyle a = \frac{1}{4} \; i \; b = -\frac{1}{8}$

$a = -4 \; i \; b = 2$

$\displaystyle a = \frac{1}{4} \; i \; b = \frac{1}{2}$