To the formulas for the circle(圆) correspond the following formulas for the hyperbola(双曲线).
举一反三
- We need to facts and formulas for studying mathematics.
- Which of the following is NOT a basic element of business letters?（ ） A: rigorous words B: the stress on specifications C: explicit tones D: the use of formulas
- From this triangle, we can get some formulas of different love.
- All of the following are employee benefits except __________. A: commissions B: dental insurance C: paid vacation D: using a set of sophisticated formulas provided by cost accountants
- Which of the following statements about the abstract of a paper is right? ( ) A: In order to summarize the content of the paper in detail, the abstract can be written as long as possible. B: The abstract of a scientific work and the abstract of a humanities paper have the same components. C: An abstract is a summary of the major ideas contained in the research paper. D: Charts, formulas, chemical structural formulas can be used in the abstract.