☰ Contents · Algebra

Identity transformations of fractional rational expressions

Lessons 7 · 1 lessons · Sh.A. Alimov, A.R. Xalmukhamedov, M.A. Mirzaakhmedov. Algebra: textbook for Grade 8 of general secondary schools. Revised 4th edition. Tashkent: “O‘qituvchi”, 2019
Answers are for parents and teachers.
1
Simplify (a/b + b/a) : ((a² + b²)/(ab)).
2
Simplify 1/(x - 3) - 6/(x² - 9).
3
Simplify (x/(x - y) - y/(x - y)) · 3.
4
Simplify (2/x + 3/x²) · x².
5
If 1/a + 1/b = 5 and ab = 2, find a + b.