公こう比ひ

noun

common ratio; geometric ratio

Mathematical term for the constant ratio between consecutive terms in a geometric progression.

• 等とう比ひ数すう列れつの公こう比ひを求もとめなさい。

  Find the common ratio of the geometric sequence.

• この数すう列れつの公こう比ひは2です。

  The common ratio of this sequence is 2.