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Express X/((X+1)(X+2)) in partial fractions. OCR C4 style question

This question is asking us to split up the fraction into two separate fractions.To begin we use one of the standard forms for solving partial fractions, this is (A/(X+1))+(B/(X+2)).To solve set the first ...

DS
Answered by David S. Maths tutor
12494 Views

Describe the changes at the cell membrane of a neuron during an action potential.

At rest the membrane potential is -70mV.

This is due to the  Na+/K+ pump, which actively transports 3 Na+ ions out of th...

AN
Answered by Alex N. Biology tutor
11727 Views

Differentiate y=x*ln(x^3-5)

We can immediately see that more than differentiation rule will be needed here. The expression in question is the product of two smaller expressions, so the product rule may be useful. But to apply the...

NN
Answered by Nat N. Maths tutor
7173 Views

How do you do specific word analysis?

Analysing quotes can be tricky, especially when you don't know where to begin. However, specific word analysis is the area that can get you the most marks and push into the upper grade boundaries an in...

KM
23930 Views

Explain how skeletal muscle contraction is stimulated

A nerve impulse travelling down a motor neurone causes the release of acetylcholine from the synpatic knob into the synaptic cleft. This then diffuses across the synaptic cleft down its concentration grad...

MJ
Answered by Michael J. Biology tutor
4205 Views

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