Hoang Giang Share
Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
Veinas bọt EPE máy móc
Wendy Ye
How to proved 2b=a+c/2b=a+c in A.P/2b=a+c ka prove in easy way/2b=a+c formulas of A.P
36K views
2 days ago
How to proved 2b=a+c/2b=a+c in A.P/2b=a+c ka prove in easy way/2b=a+c formulas of A.P
![Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3](http://i.ytimg.com/vi/F6Kll3fQIB0/mqdefault.jpg "Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3")
