Ile liczb spełnia równanie x-2/x2-4 =1/2?
x-2/x^2-4 = 1/2
x^2 - 4 = 2(x - 2)
x^2 - 4 = 2x - 4
x^2 - 2x = 0
x = 0
Odp. Tylko zero spełnia to równanie.
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x-2/x^2-4 = 1/2
x^2 - 4 = 2(x - 2)
x^2 - 4 = 2x - 4
x^2 - 2x = 0
x = 0
Odp. Tylko zero spełnia to równanie.