Zaznacz na osi liczbowej zbiór rozwiązań układu równań:
a)
b)
-------------------------------------->
--------------------------|---------------------------------->
| |
------------------------x-------------|-----------x-----------------------
-3,5 0 √7≈2,64
x>√7
<----------------------------------------------------------------
<---------------------------------------------- |
------------------------------|-----------o---------------x--------
0 2+√2 2√3
x<2+√2
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a)
-------------------------------------->
--------------------------|---------------------------------->
| |
------------------------x-------------|-----------x-----------------------
-3,5 0 √7≈2,64
x>√7
b)
<----------------------------------------------------------------
<---------------------------------------------- |
| |
------------------------------|-----------o---------------x--------
0 2+√2 2√3
x<2+√2