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Looking for the mystery of mathematics
Mathematics is a fascinating subject, and domain is an important concept. This paper will help readers better understand the mystery of this field through a simple example.

Derivation of definition domain

When x- 1 >; 0 and x ≠ 1, it can be converted into x >;; 1 and x ≠ 2 Combining 5-2x ≥ 0, we can further get 2x ≤ 5, and finally deduce x ≤ 5/2. So the domain is (1, 2) ∩ (2,5/2].

The conclusion of definition domain

Through the above deduction, we come to the conclusion that the domain is (1, 2) ∩ (2,5/2). This conclusion is of great significance for understanding the properties and applications of functions.

The charm of mathematics

Mathematics is a fascinating subject, and its beauty lies in its logic and rigor. Domain is an important concept in mathematics. Through this example, we can feel the charm of mathematics.