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solve the differential equation dy/dx=(3x*exp(4y))/(7+(2x^(2))^(2) when y = 0, x = 2

Move y terms to the left hand side and the keep the x terms on the right hand side: dy*(1/(exp(4y))) = dx*(3x/(7+2x^(2))^(2)) First, solve the right hand side by using a substition: u = 7 + 2 x^(2), du/dx=4x...
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While analysing sources, how can I make my answers more nuanced and less predictable?

It's difficult to make the jump between a predictable, structured answer to a more cohesive and fluent answer. A fantastic way to overcome a mechanical answer to your source analysis is to incorporate contex...
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Answered by Rhys E. • History tutor
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Differentiate the equation 4x^5 + 2x^3 - x + 2

When you differentiate you find the equation which lets you find the gradient of the equation at a specific point.To do so you multiply the power of the x by the respective coefficient, then that becomes the...
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What does the Price Elasticity of Demand measure? How is it calculated? And why is it important?

Price Elasticity of Demand measures the responsiveness of quantity demanded by consumers after a change in price of the product. At A-Level this is measured via two points on the demand curve A and B. The pe...
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Answered by Remi C. • Economics tutor
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How do you rearrange equations at Physics GCSE ?

Take the equation W=Fs . We want to make one thing the subject of the equation by clearing away all the stuff we don’t want on that side of the equation. Say we want to find s . To do this draw a line under ...
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