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- The problem of compulsory mathematics 1 function set in senior one.
The problem of compulsory mathematics 1 function set in senior one.
X 2-4x+3 > can be obtained according to the nature of the radical sign. =0 and -x 2-7x+8 > 0 (denominator is not 0),
Then we get (x- 1) (x-3) >: =0 and (x- 1) (x+8) < 0,
Equivalent to finding X.
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