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How do I 'simplify' a surd?

Simplifying a surd means to express it using smaller numbers, making it easier to use in calculations. There are a couple of facts you will need to learn about surds, these are, 1) sqrt(a x b) = s...

JZ
Answered by Joanna Z. • Maths tutor
5627 Views

Ser or estar?

In Spanish there are two ways of saying to be.
Ser is generally used for things that don’t change too much – inherent characteristics of people or things. Some examples are marital status, height, oc...

CK
Answered by Chris K. • Spanish tutor
8302 Views

A curve C has equation 2^x + y^2 = 2xy. How do I find dy/dx for the curve C?

Explain Ohm's Law

Ohm's Law

ZA
Answered by Zeeshaan A. • Physics tutor
2743 Views

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