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
✅ "Class 10 Linear Equations Word Problems – Solved by Substitution Method | RD Sharma Ch 3"
82 views
Streamed 2 days ago
✅ "Class 10 Linear Equations Word Problems – Solved by Substitution Method | RD Sharma Ch 3"
![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")
![One root of the equation | x + a, b, c],[b, x + c, a],[c, a, x + b]| = 0 is](http://i.ytimg.com/vi/jsu2fJ_645g/mqdefault.jpg "One root of the equation | x + a, b, c],[b, x + c, a],[c, a, x + b]| = 0 is")
