Svar 2.3:3
Förberedande kurs i matematik 1
a) | \displaystyle \left\{ \eqalign{ x_1 &= 0 \cr x_2 & = -3\cr }\right. | b) | \displaystyle \left\{ \eqalign{ x_1 &= 3 \cr x_2 & = -5\cr }\right. |
c) | \displaystyle \left\{ \eqalign{ x_1 & = \textstyle\frac{2}{3} \cr x_2 & = -8\cr }\right. | d) | \displaystyle \left\{ \eqalign{ x_1 & = 0\cr x_2 & = 12\cr }\right. |
e) | \displaystyle \left\{ \eqalign{ x_1 & = -3 \cr x_2 & = 8\cr }\right. | f) | \displaystyle \left\{ \eqalign{ x_1 & = 0 \cr x_2 & = 1 \cr x_3 & = 2 }\right. |