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find dy/dx of the equation y=ln(x)2x^2

Here it is necessary to use the chain rule to solve the derivative. If we equate our equation in terms of the following notation: ln(x)='u'and 2x^2='v' and use the chain rule formula dy/dx=udv/dx+vdu/dx we c...
PG
Answered by Pierce G. • Maths tutor
4512 Views

Solve (4-2x)/(x+1)=x

To solve this equation, we need to collect all of the x^2 terms and the x terms together. To do this we should start by getting rid of the fraction on the left-hand side by multiplying both sides by the deno...
EK
Answered by Emily K. • Maths tutor
10193 Views

How do I keep a good line of argument throughout my essay?

Hello, thank you for the question. Concerning maintaining a good strong argument throughout your essay, it's always good to keep using the question throughout. For example, starting your paragraphs (main poi...
ER
6024 Views

How do you show that the centre of a group is a subgroup

To show something is a subgroup we need to show that it satisfies the group axioms. Therefore we need to show that if g and h are in Z(G) then gh is in Z(G), g^-1 is in Z(G), the identity e is in Z(G). As eg...
AR
3895 Views

What is the best way to structure an essay question on an unseen poem?

Aside from the obvious introduction and conclusion, the way that's worked the best for me is a focus on four basic elements of the poem (or any text being studied), with a paragraph on each: form, structure,...
SC
18325 Views