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What is the derivative of x^x

Firstly we should notice the similarities between this expression and expressions of the standard type a x. To deal with this type of expression, we take logarithms of both sides and then apply the usual rul...
DK
Answered by Daniel K. • Maths tutor
5778 Views

How do I use the imperfect subjunctive?

The imperfect subjunctive has a variety of uses:1) You can use the imperfect subjunctive when the independent clause in a sentence (main clause) refers to the past. ' Quise que me ayudaras a entender el subj...
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Answered by Jessica D. • Spanish tutor
4315 Views

How to impress an examiner with effective essay writing (A01, A02,A03)

Psychology is the study of the mind, whereby scientists attempt to pinpoint the root cause or aetiology for underlying mechanism that prompt human or non-human behaviour. It is essential to keep this in mind...
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Answered by Harold K. • Psychology tutor
7257 Views

How to speak, read, understand and analyse books or films like a Native German

Deutsch or the German language is one of the most widely spoken language within the European-Union. As a German native speaker and having been taught about the German History in German schools; I know that s...
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Answered by Harold K. • German tutor
3333 Views

How do I know whether a word is masculine or feminine?

In French it is often essential to know what gender a particular word is in order to be able to construct a sentence effectively and without errors. However, it is not always immediately clear which words be...
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Answered by Marco S. • French tutor
88018 Views