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Differentiate y = (x^2 + 1)^1/3

Use the chain rule to do this. First set u= x^2 + 1. We chose u to be this because u 1/3 is much simpler to differentiate. Then find du/dx = 2x. Now find dy/du = 1/3 * u -2/3 = 1/3 * (x 2 +1) -2/3 . Now by t...
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Answered by Will W. • Maths tutor
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How do you use the perfect tense?

The perfect tense is a way to talk about what has happened in the past. It is a way of expressing something that happens in the past generally, it's something you have done, probably many times and are likel...
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Answered by Nina V. • German tutor
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How do you compare two different texts?

When comparing two texts there are a few things to consider:Form (what is it? what type of text? It could be: an article, blog, letter etc)Purpose (what is the author trying to do with the text? inform, pers...
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Answered by Nina V. • English tutor
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Explain how an action potential is transmitted across a cholinergic synapse.

The action potential arrives at the synaptic knob of the presynaptic neurone. The action potential stimulates the opening of voltage-gated calcium ion channels in the presynaptic neurone, allowing calcium io...
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Answered by Kathryn E. • Biology tutor
3155 Views

How do you work out the circumference and area of a circle?

When working with circles we use which is a number that stays the same no matter how big the circle. The number starts with 3.1415.... and goes on forever, this number is programmed into the calculator, so w...
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Answered by Nina V. • Maths tutor
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