Solution assignment 09 Inequalities with fractions

Return to Assignments Inequalities with fractions

Assignment 9

Solve:

$\displaystyle\frac{x}{x^2-1}<0$

Solution

We can factorize the denominator:

$\displaystyle\frac{x}{(x+1)(x-1)}<0$

We draw a number for each factor.

$x$ -------------------------------(0)+++++++++++
$x-1$ ------------------------------------(1)++++
$x+1$ -----------(-1)++++++++++++++++
result -------------(-1)++++(0)--------(1)++++

The solution is:

$x<-1$ or $0<x<1$

Return to Assignments Inequalities with fractions

Web Design Bangladesh Web Design Bangladesh Mymensingh

Assignments

Solution assignment 09 Inequalities with fractions

Assignment 9

Solution

Contact

Tutor Math, Statistics or GMAT?

Language preference