根号 (gēn háo) — radical sign (math)
Definition
根号 (gēnhào) is the mathematical radical sign (√), used to indicate a root — as in √2 for the square root. The number under the sign is the radicand.
noun
radical sign (math)
Examples
- 根号。Jì suàn de shí hou bié wàng le xiě gēn háo.Don't forget to write the radical sign when calculating.
- 根号。Zhè ge gēn háo biǎo shì kāi píng fāng.This radical sign means taking the square root.
- ，根号。Zài fāng chéng zhōng, gēn háo xià miàn de shù bì xū shì fēi fù shù.In an equation, the number under the radical sign must be non-negative.
Appears in
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