... instead of which about things----(ADJECTIVE CLAUSE& lt ; mentioned) taste----v---plural S needs plural v, no need to add...
設 a, b, c > 0. 則 行列式 = 0 & lt ;==> a=b or b=c or c=a 所以是等腰三角形, 把行列式算出(3階直接展開, 或如圖中用降階法, 或用點小技巧), 是 (a-b)(b-c)(a-c).
... instead of which about things----(ADJECTIVE CLAUSE& lt ; mentioned) taste----v---plural S needs plural v, no need to add...
設 a, b, c > 0. 則 行列式 = 0 & lt ;==> a=b or b=c or c=a 所以是等腰三角形, 把行列式算出(3階直接展開, 或如圖中用降階法, 或用點小技巧), 是 (a-b)(b-c)(a-c).