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solve z^4=2(1+isqrt(3)) giving roots in form r(cos(theta)+isin(theta))

Sorry but it's a little hard to write the question out! I have the working on paper but I can't upload it. Ok so first you need to multiply out the brackets to make it a little easeier to look at and obta...

RL
Answered by Robert L. Maths tutor
6452 Views

¿Cuándo se utiliza el pretérito perfecto, el imperfecto y el pretérito? = When do you use the perfect, the imperfect and the indicative past?

Firstly, let's start with the 'imperfecto' tense as it's the easiest to differentiate. The endings for this tense are as follows:

For regular verbs ending -AR in the infinitive (that is t...

AM
Answered by Alya M. Spanish tutor
5628 Views

How can I improve my German vocabulary?

First of all, don't worry if you're feeling overwhelmed by the amount of German vocabulary you need to know – sometimes it can feel like quite a lot, especially if you haven't been learning the languag...

JM
Answered by James M. German tutor
3264 Views

How can I study The Merchant of Venice?

Shakespeare's The Merchant of Venice is one of his most famous, and indeed studied, comedies. 

However, it is far more complex than a simple marriage and romance plot. The ...

CB
Answered by Caitlin B. English tutor
7565 Views

What is a cadence?

A cadence is a series of notes and/or chords which indicate the end of a phrase or section in a piece of music. There are many different kinds of phrases but the most common are perfect, imperfect and ...

SG
Answered by Shannon G. Music tutor
8410 Views

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