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Differentiate with respect to x and write in its simpliest form, Y=(2x-3)/x^2?

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...

JD
Answered by Joe D. Maths tutor
6530 Views

[FP2] Solve: 3 cosh x - 4 sinh x = 7

First write cosh and sinh as exponentials, from their respective definitions:sinh x = 1/2 (e - e-x)cosh x = 1/2 (e + e-x​)So: 3 * 1/2 (e + e

WU
Answered by William U. Maths tutor
21534 Views

What is the difference between "ser" and "estar"?

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...

SL
Answered by Sophie L. Spanish tutor
2128 Views

How do I structure my essay?

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...

MW
Answered by Molly W. History tutor
4116 Views

How to tackle a source evaluation question?

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...

LP
Answered by Liam P. History tutor
4026 Views

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