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Y=(2x-3)/x2
Quotient Rule: dY/dx(u/v)=(u'v-v'u)/v2
dY/dx=(2x2-2x(2x-3))/x4
=(6x-2x2)/x4 (C...
First write cosh and sinh as exponentials, from their respective definitions:sinh x = 1/2 (ex - e-x)cosh x = 1/2 (ex + e-x)So: 3 * 1/2 (ex + eWUAnswered by William U. • Maths tutor21534 Views
This is a tricky one. The rhyme I learned "how you feel and where you are - that is when you use estar!" is pretty useful, but I like to remember it based on whether the state of something ca...
I always followed a very simple structure which appeared to work very well; the introduction would include two opposing historical views (quotes from historians to support them are great but not essent...
When it comes to source evaluation, do not under-estimate the power of COP.
By this I mean Content, Origin, Purpose. I will go through each one.
Content: They are pretty se...
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