Watch this video to learn about the rules of surds. For example, \(\sqrt 4 = 2\) is not a surd. However \(\sqrt 5\) is a surd. If you use a calculator, you will see that \(\sqrt 5 = 2.236067977...\) ...

Rationalising an expression means getting rid of any surds from the bottom (denominator) of fractions. Usually when you are asked to simplify an expression it means you should also rationalise it.

Abstract: This paper describes a capacitive-gain amplifier (CGA) with common-mode (CM) sampling (CMS) and switched-capacitor driving capability. The CMS CGA defines the amplifier CM voltage in a ...

CAT exam pattern and syllabus are related to each other. There is no fixed CAT 2025 Syllabus. It is based on CAT exam pattern and key topics covered in last 10 years CAT Papers. CAT exam syllabus ...

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