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How do I know when to use être or avoir as an auxiliary verb?

An auxiliary verb is the first verb used in a compound tense (when more than one verb is present) such as le passé composé.

Most French verbs take the auxiliary verb avoir - J'ai <...

CS
Answered by Charlotte S. French tutor
8340 Views

How do I integrate log(x) or ln(x)?

The integral of log(x) is not necessarily straight-forward. Though we can use the fact that d/dx(log(x)) = 1/x to help us.

Rather than simply trying to integrate log(x), we can use integration...

DF
Answered by Daniel F. Maths tutor
14554 Views

How do I integrate cos^2(x)?

The key to solving any integral of this form is to use the cosine rule:

cos(2x) = cos2(x) - sin2(x) = 2cos2

DF
Answered by Daniel F. Maths tutor
37554 Views

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