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How do you differentiate (3x+cos(x))(2+4sin(3x))?

Here we have a product of two things, so we will be using the product rule of differentiation. This is: for y=u(x)v(x), where u(x) and v(x) are funtions of x, dy/dx = u'(x)v(x) + u(x)v'(x). So in this case l...
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Answered by Jaisal P. • Maths tutor
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How can we analyse the differences between political ideologies?

Analysis is task that is often ambiguous to undertake. To help your A-level politics studies I shall show you, with a concrete example, how to go about analysing the differences in political ideologies. Whil...
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Answered by Ciaran C. • Politics tutor
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How do bacteria acquire resistance to antibiotics?

Spread of mutations via vertical and horizontal transmission Once a bacterium has a mutation that provides resistance to an antibiotic, it can spread through replication or through direct transmission to oth...
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Answered by Hannah L. • Biology tutor
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What are Van Der Waals dispersion forces?

Van der Waals forces are a form of intermolecular (between molecules) force. A covalent bond is created by a shared pair of electons. (For example two chlorine atoms will share 2 electrons to form a Cl 2 mol...
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Answered by Zuhayr A. • Chemistry tutor
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What are the limiting factors of Photosynthsis

Photosynthesis requires optimal temperatures, high levels of light, and carbon dioxide. The limiting factor of photosynthesis is the factor with the least favourable level; ie. increasing this will increase ...
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Answered by Zuhayr A. • Biology tutor
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