wyznacz x wiedząc , że kolejnymi wyrazami ciągu an-geometryczny są liczby Ix-6I, 4, Ix-6I
4
q=---------------------
|x-6|
q=----------------
4 |x-6|
--------------------- = -------------------
|x-6| 4
|x-6|²=4²
|x-6| =4
x-6=4 ∨ x-6=-4
x 1=10 ∨ x 2=2
Sa 2 wartosci x: x 1=10, x 2=2
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4
q=---------------------
|x-6|
|x-6|
q=----------------
4
4 |x-6|
--------------------- = -------------------
|x-6| 4
|x-6|²=4²
|x-6| =4
x-6=4 ∨ x-6=-4
x 1=10 ∨ x 2=2
Sa 2 wartosci x: x 1=10, x 2=2