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solve the 1st order differential equation 2y+(x*dy/dx)=x^3

1st we note our three methods for solving 1st order differential equation: separating the x and y variables to both sides of the equation, and integrating both sides with respect to x. Recognising an exact d...
DH
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Discuss the use of the extended metaphor in Tony Harrison’s poem ‘Book Ends’.

In the poem Book Ends by Tony Harrison, the speaker’s mother has just died and he is sitting with his father as they try to decide which words should appear on her gravestone. Harrison uses the conceit of bo...
GB
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What is the oxidation state of chlorine (Cl) in HClO?

The oxidation state of O is -2, and +1 for H, so as HClO is neutral overall, the oxidation state of Cl in HClO is +1.
IJ
Answered by Ishan J. • Chemistry tutor
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Symptoms of Salmonella include vomiting and diarrhoea, and it is known this is caused by a bacterium. What does the bacterium do to cause such symptoms?

Bacteria release toxins to poison and damage cells, leading to symptoms like vomiting and diarrhoea.
IJ
Answered by Ishan J. • Biology tutor
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What are the characteristic properties of the genetic code?

Non-overlapping: The genetic code is read in triplets of bases, called codons, each of which codes for an amino acid. Degenerate: Each amino acid can be coded for by more than one base triplet. Non-ambiguous...
CH
Answered by Calum H. • Biology tutor
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