In this video, we combine all essential techniques for evaluating limits at infinity involving radical expressions into one complete lesson.
You’ll learn:
✔ Rationalisation method
✔ Dividing by the highest power of x
✔ Simplifying before solving
✔ Recognising equivalent forms
✔ Step-by-step solutions for multiple examples
This video is ideal if you:
Want a full revision lesson
Prefer learning everything in one place
Are preparing for exams
Examples covered include:
√(x² + 4) − x
√(3x² + x) / x
√(3x² + x) ÷ (1/x)
√((x² + 5x) - √(x² - x)) / x
Mixed radical expressions
Perfect for:
First-year university students
Engineering and IT students
Calculus learners
👉 Watch the individual videos for deeper explanations of each method.