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Pronunciation of another language can be one of the most difficult things to master, but is also incredibly important if you want to be understood! The key to improving is practice, even if you don't have so...

The congiuntivo imperfetto may seem daunting but in reality is quite simple to conjugate as follows... -are verbs (e.g. comprare) io comprassi tu comprassi lui/lei comprasse noi comprassimo voi compraste lor...

x 2 + y 2 = 36 (1) x = 2y + 6 (2) You can solve simulateous equations in three ways: Substitution, addition or subtraction. If one equation contains both x 2 and y 2 then you should use substitution as with ...

As with much of complex number the trick here is to change forms to polar representation.If you think of an argand diagram the number i will be represented as a point straight up on the imaginary axis a dist...

This is a common IB question- fairly tricky the first time you com across it!