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Expand and simplify (2x-2)(4x+6)

For this question the FOIL method can be used. FOIL stands for first, outside, inside, and last, and is used to make sure each term is multiplied by each other term. Firstly, multiply the first terms of e...

SA
Answered by Seren A. Maths tutor
6323 Views

What are the main data structures that I can use in Python

The main data structures in Python are tuples, lists, and dictionaries.

The main difference between them is that in tuples and lists the element order matters, while in dictionaries elements ...

LR
Answered by Luca R. Python tutor
1820 Views

How can I apply the chain rule for differentiation?

The chain rule needs to be applied when you are differentiating a function f of x with respect to a variable t, x is a function of (i.e. given f(x) and x(t), you want to calculate df/dt. 

To do so ...

LR
Answered by Luca R. Maths tutor
1888 Views

Could you please explain how does a general pulley system work and how I can solve problems associated with those?

Pulley systems allow for force transmission from one body to another or more. Intelligent pulley systems can be used to apply more force to a body of interest than that generated (by any power system or o...

LR
Answered by Luca R. Physics tutor
1975 Views

How do I answer a source analysis question? An explanation of what makes a good answer with an example on the Early Cold War.

Source B also provides evidence which suggests Stalin’s desire to expand Soviet influence led to the breakdown of the Grand Alliance. The source states the ‘USSR had special interests in Poland’ from whic...

EH
Answered by Emily H. History tutor
9032 Views

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