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How do I know whether I should use -er, -é(e/s) or -ez?

For many people (including, unfortunately, French people), this is a recurrent mistake, despite the fact it can be avoided easily.

Those endings are used for different things. The first one, '...

SO
Answered by Solweig O. French tutor
18382 Views

What is integration by parts, and how is it useful?

"Integration by parts" is one of several methods in our arsenal that we can use to integrate a function f(x). It involves expressing f(x) as the product of tw...

AJ
Answered by Alexander J. Maths tutor
3404 Views

What are the roots of 3x^2 + 13x + 4 ?

To find the roots, we solve the equation 3x2 + 13x + 4 = 0.

We could try factorising the equation, which gives...

NB
Answered by Nicholas B. Maths tutor
10628 Views

Why do volcanoes and earthquakes occur at destructive plate margins?

Destructive plate margins are where a plate of higher density is subducted, or forced underneath, another, less dense plate.

This occurs due to convection cur...

LS
Answered by Laura S. Geography tutor
40903 Views

Outline the differences between the three different types of rock.

Igneous rocks

Igneous rocks are distinguishable by the fact that they are made up of crystals, which vary in size depending o...

LS
Answered by Laura S. Geography tutor
17700 Views

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