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Note that sqrt(ab)=sqrt(a)sqrt(b)

Thus to have A, an integer, we must find the highest number 'a' that is a square number and is also a factor of 50.

So, a=25 and b=2 (ab=25...

First of all, don't worry if you're feeling overwhelmed by the amount of German vocabulary you need to know – sometimes it can feel like quite a lot, especially if you haven't been learning the languag...

The imperative form, known as the Befehlsform in German, is used to modify the verb when you are giving a command (including polite commands!). Sentences using the imperative are often followe...

I currently study Sport, Exercise and Physical Activity as a degree, after doing GCSE physical education for 2 years, BTEC sport for 2 years, A-Level physical education for a further two years and one ...

First of all we must appreciate the general trend in these ionisation energies. The will always be endothermic (takes in energy) since we must put energy into a system to overcome the strong electrostatic...