If a>1 and b<1, then the correct relationship is ab<a+b-1. What is the process to get the answer? - Quora
Given that: A = 1 - 1 0| 2 3 4| 0 1 2 and B = 2 2 - 4| - 4 2 - 4| 2 - 1 5 , find AB.Using this result, solve the following system of equation: x - y = 3, 2x + 3y + 4z = 17 and y + 2x = 7
![Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side - Common Core: High School - Geometry Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side - Common Core: High School - Geometry](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/problem_question_image/image/91720/Screen_Shot_2020-08-07_at_2.48.01_PM.png)
Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side - Common Core: High School - Geometry
![notation - What does $(a,b) = 1$ mean in the context of the irrationality of $\sqrt 2$? - Mathematics Stack Exchange notation - What does $(a,b) = 1$ mean in the context of the irrationality of $\sqrt 2$? - Mathematics Stack Exchange](https://i.stack.imgur.com/ko61E.png)