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Find the gradient of a curve whose parametric equations are x=t^2/2+1 and y=t/4-1 when t=2

Remember that the gradient of a curve is expressed as dy/dx. This can be solved by using the chain rule:

dy/dx = dy/dt*dt/dx. The dt in the denominator of the first term, and the numerato...

AS
Answered by Abigail S. Maths tutor
8521 Views

How do I choose where I should apply?

Choosing which University to apply to is not as random as it seems. There are multiple factors that you must consider. Most importantly, your strengths and weaknesses. If your UKCAT is your strong poin...

HB
2393 Views

Name the 5 stages of mitosis in order

I remember using this handy mnemonic: "IPMAT".

Interphase

Prophase

Metaphase

LR
Answered by Luke R. Biology tutor
6762 Views

What mass of carbon dioxide is produced from burning 100 grams of ethanol in oxygen according to this reaction: C2H5OH + 3 O2 --> 2 CO2 + 3 H2O

When approaching a question like this I always find it easier to write out the equation with the known quantities written underneath each individual compound. ...

KM
26549 Views

Q: How to solve the simultaneous equations 3x+2y=7 and 5x+y=14

When solving simultaneous equations you are aiming to use both equations together to find out the value of x and y for values that with ‘fit’ in each equation....

KM
Answered by Katherine M. Maths tutor
11389 Views

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