ROZWIAZ ROWNANIE /X-1/=3 ZAZNACZ NA OSI LICZBOWEJ X ZBIOR LICZB SPELNIAJACYCH WARUNEK
|x - 1| = 3
x - 1 = 3 lub x - 1 = -3
x = 3 +1 lub x = -3 +1
x = 4 lub x = -2
----------- o ----------o -------------->
-2 4
I x - 1 I = 3 <=> x - 1 = 3 lub x - 1 = - 3 <=> x = 3 + 1 lub x = -3 + 1 <=>
<=> x = 4 lub x = - 2
x1 = - 2, x2 = 4
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|x - 1| = 3
x - 1 = 3 lub x - 1 = -3
x = 3 +1 lub x = -3 +1
x = 4 lub x = -2
----------- o ----------o -------------->
-2 4
I x - 1 I = 3 <=> x - 1 = 3 lub x - 1 = - 3 <=> x = 3 + 1 lub x = -3 + 1 <=>
<=> x = 4 lub x = - 2
x1 = - 2, x2 = 4
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