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Evaluate the view that attempts by governments to eliminate market failure by intervening in markets for public goods and merits goods will inevitably lead to government failure.

This is a typical essay question taken from an AQA A2 Past Paper. In class, I encourage my students to draft essay plans to elaborate their arguments and develop their analytical thinking skills. Once ...

DM
Answered by Daniel M. Economics tutor
5219 Views

A stationary observer Bob, observes Alice take 5 seconds to travel from point A to B at 0.95c. How much time does Alice measure the journey from A to B to take?

This question is all about the application of Special Relativity. In order to solve this problem we need to identify that the correct equation to use here is:t= (gamma factor)t0Where t is the t...

ER
Answered by Elizabeth R. Physics tutor
3337 Views

How do you integrate by parts?

To integrate the product of two functions - say f(x) = xsinx, the product of g(x) = x and h(x) = sin(x) - the we use integration by parts. 

Since integration is the inverse of differentia...

PK
Answered by Patrick K. Maths tutor
6462 Views

Given that (2x + 11 )/(2x + 1)(x + 3) ≡ A /(2x + 1) + B /(x + 3) , find the values of the constants A and B. Hence show that the integral from 0 to 2 (2x + 11)/ (2x + 1)(x + 3) dx = ln 15.

First starting from the right hand side.

 A /(2x + 1) + B /(x + 3) = A(x+3)+B(2x+1)/(x+3)(2x+1)

Therefore the numerator = (A+2B)x+(3A+B)

Equating this numorato...

GD
Answered by George D. Maths tutor
6974 Views

How do I form the subjunctive for regular verbs in French?

The subjunctive is a mood used to express statements which are uncertain, for example, expressing emotion, possibility, necessity or desire. 
To form the subjunctive for regular verbs (and some irreg...

KM
Answered by Kirsty M. French tutor
3693 Views

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