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Factorize x^2-x-20

Let's think backwards - what can we multiply to get this result?First, let's take a simpler example, an expression:(x-1)(x-2). We multiply 1st term of the 1st brackets by terms of the 2nd bracket and then...

Answered by Tomasz B. • Maths tutor

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How do I structure a compare and contrast question?

When thinking about how to begin a compare and contrast essay for literature, it is key to consider the structure you wish to employ. This choice can be based on your chosen extracts/pieces of literature ...

Answered by Isabella V. • English Literature tutor

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“To what extent is Viola truly a comic heroine?”

When the audience first meets Viola, she is the victim of a tragedy and is a stranger to the exotic land of Illyria. It is in this crucial moment in the play that Viola decides to disguise herself as a m...

Answered by Ella C. • English tutor

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The equation f(x) =x^3 + 3x is drawn on a graph between x = 0 and x = 2. The graph is then rotated around the x axis by 2π to form a solid. What is the volume of this solid?

f(x) = x³+ 3x V = π ∫(f(x)²) dx V = π ∫₀²(x³+ 3x)(x³+ 3x) dx V = π ∫₀²(x⁶ + 6x⁴

Answered by Zac C. • Maths tutor

3274 Views

Briefly discuss one factor affecting performance in Eye-Witness testimony (6 marks)

One affect on our performance in eye witness testimony is levels of anxiety and stress. The Yerkes-Dodson law states that there is a relationship between levels of anxiety/stress and the efficiency of our...

Answered by Tom B. • Psychology tutor

4458 Views