Mathematics for IGCSE & O level - Inequalities (Section 1 - No. 42)
In the general rule for solving inequalities, what happens when you multiply or divide by a negative number?
The inequality remains the same.
The inequality is undefined.
The inequality symbol reverses.
You add a negative sign.
स्पष्टीकरण
The inequality symbol reverses when you multiply or divide by a negative number.