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write a description of the town you are from

J’habite à Londres, qui est la capitale du Royaume Uni et qui se trouve au sud du pays. Londres est une des plus grandes villes du monde, avec environ 12 million d'habitant. C’est une ville très diverse, ...

RK
Answered by ROXANA K. French tutor
1802 Views

Show that (x + 1)(x + 2)(x + 3) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.

(x+1)(x+2) = ( x^2 + 3x + 2) - multiplying out the first 2 terms(x^2 + 3x + 2)(x + 3) = x^3 + 3x^2 + 2x + 3x^2 + 9x + 6 - multiplying the product of the first two terms by the last termx^3 + 6x^2 + 11x + ...

RK
Answered by Rachel K. Maths tutor
6242 Views

Define the concept of the “procedural” and the “declarative” memory according to Cohen's theory about long term memory, and explain how the two concepts differ from each other.

LTM (long term memory) can be divided into the declarative (explicit) memory and the procedural (implicit) memory. The procedural memory is nonverbal in nature and is responsible for our motor skills. It ...

SL
Answered by Sarah L. Psychology tutor
2709 Views

Integrate exp(2x)cos(8x) by parts

Let u=exp(2x) and v'=cos(8x)From these you can obtain u' and vu=2exp(2x) and v=1/8 sin(8x)Formula: integral(uv'dx)=uv-integral(vu'dx)=1/8 exp(2x)sin(8x)-integral(1/4 sin(8x)exp(2x))=1/8exp(2x)sin(8x)+1/16...

CD
Answered by Chloe D. Maths tutor
3302 Views

Solve the equation 8x^6 + 7x^3 -1 = 0

The first thing to recognise is this is a quadratic in disguise, therefore we can rewrite the equation in terms of a new variable y.
Where y=x3
The equation then becomes 8y2

KP
Answered by Kelan P. Maths tutor
6945 Views

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