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The use of prepositions to say you are 'in' a country is actually quite simple in French. Your two options are 'en'  (which is more common) and 'au'.

'Au' is used with masc...

These cubic equations are usually fairly simple once the method is known, firstly make the right hand side (RHS) equal to zero by subtracting 1 from both sides:

x^3+4x^2+x-6=0

...

To show respect to the person you are referring to, in Italian it is important to use the third singular form "lei" instead of the second singular one "tu";as a consequence, all the ad...

The De Broglie wavelength equation is as follows:

λ=h/p

We know the value of Planck's constant h and so to calculate the wavelength all we need is the momentum, which is equ...

Proteins are made up of organic molecules called amino acids. There are thousands of different proteins with diverse functions: storage, transport, structural support, cellular communi...