marleenmourad marleenmourad

19-02-2022
Mathematics

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iqalilcrybaby iqalilcrybaby

19-02-2022

the denominator is x² -9x+14≠0
factorize it
(x-7)(x-2)≠0
x≠7 and x≠2

hence domain is x ∈ (-∞,2) U (2,7) U (7, ∞)

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