căn thức

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The Vietnamese word "căn thức" refers to a mathematical term known as a "radical" in English. In mathematics, a radical is a symbol used to denote the root of a number. The most common radical is the square root, which is represented by the symbol "√".

Explanation:

• Basic Definition: "Căn thức" is used to express the root of a number, particularly the square root. For example, the square root of 9 is 3, which can be written as "căn bậc hai của 9" in Vietnamese.

Usage Instructions:

• When using "căn thức", it is often accompanied by a number or expression inside the radical symbol. For example:
  • "Căn thức của 16 là 4." (The radical of 16 is 4.)

Example:

• Basic Example:
  • "Căn thức của 25 là 5." means "The square root of 25 is 5."

Advanced Usage:

• "Căn thức" can also refer to higher roots, such as cube roots or fourth roots.
  • For example, "căn bậc ba của 27" means "the cube root of 27", which is 3.

Word Variants:

• "Căn bậc hai": square root
• "Căn bậc ba": cube root
• "Căn bậc n": nth root (where n can be any positive integer)

Different Meanings:

• In a broader sense, "căn thức" can also refer to the concept of roots in algebra, which may not always be tied to the radical symbol but involves finding values that satisfy certain equations.

Synonyms:

• In some contexts, "căn thức" may be synonymous with "căn" (root) when discussing root values in mathematics.

Academic

1. (toán) Radical