Förberedande kurs i matematik 1
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| a)
| \displaystyle \left\{ \eqalign{ x_1 &= 1 \cr x_2 &= 3\cr }\right.
| b)
| \displaystyle \left\{ \eqalign{ y_1 &= -5 \cr y_2 &= 3\cr }\right.
| c)
| saknar (reella) lösning
|
| d)
| \displaystyle \left\{ \eqalign{ x_1 &= \textstyle\frac{1}{2}\cr x_2 &= \textstyle\frac{13}{2}\cr }\right.
| e)
| \displaystyle \left\{ \eqalign{ x_1 &= -1 \cr x_2 &= \textstyle\frac{3}{5}\cr }\right.
| f)
| \displaystyle \left\{ \eqalign{ x_1 &= \textstyle\frac{4}{3}\cr x_2 &= 2\cr }\right.
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