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Give the general solution to the Ordinary Differential Equation: (dy/dx) + 2y/x = 3x+2

It can first be observed that this differential equation is linear, so we can solve it by multiplying the whole equation by the integrating factor. As there is no coefficient in front of the dy/dx term, we d...
VG
6658 Views

What is the passé simple, and why/when is it used?

The passé simple, or passé historique, is a more formal or literary past tense in French. It conveys past, completed actions - not unlike the passé composé. You will often find it in literary texts, particul...
JD
Answered by Josie D. • French tutor
5068 Views

How should I approach a translation (DE-EN) in an exam?

Some exam boards include a translation of a short text, usually journalistic, from German into English as part of their reading exam. This exists to test your reading comprehension, as well as your ability t...
JD
Answered by Josie D. • German tutor
2233 Views

4^x - 2^x+1 - 15 = 0

x = log5/log2
NE
Answered by Narhen E. • Maths tutor
3324 Views

How should I plan an answer to a History essay question?

There are several important points to remember when planning an essay:Your essay should be balanced, but not 50/50 as this suggests that you're undecided as to what your argument is. Aim for around a 60/40 b...
EU
Answered by Emily U. • History tutor
3748 Views