Algebra: 1. (a + b) = a + 2ab + b 2. (a – b) = a – 2ab + b 3. (a + b) (a – b) = a – b 4. (x + a)(x + b) = x + (a + b)x + ab 5. (x + a)(x – b) = x + (a – b)x –...
Mathematics can be broadly grouped into the following branches: Arithmetic : It is the oldest and the most elementary among other branches of mathematics. It deals with numbers and the basic operations-...