Ответ:
a) -1
б)x-2
в)
[tex] \frac{4}{x {}^{2} - 4 } [/tex]
г)
[tex] \frac{a {}^{2} + 9 } {2a {}^{2} - 18a } [/tex]
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Ответ:
a) -1
б)x-2
в)
[tex] \frac{4}{x {}^{2} - 4 } [/tex]
г)
[tex] \frac{a {}^{2} + 9 } {2a {}^{2} - 18a } [/tex]