Simplify \(\sqrt{45+20\sqrt{5}}-\sqrt{45-20\sqrt{5}}\).
Video solution locked
A free account saves your progress; this video needs a course plan.
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Need help? Join our A-Maths tuition classes.
Learn more