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Evaluate the extent to which economic globalisation promotes prosperity and opportunity.

Firstly, we want to understand exactly what the question wants us to do. The command word 'evaluate' asks us to consider different ideas and come to a conclusion. Here, we need to conclude whether or not ...

RM
3729 Views

State Lenz's law and hence describe and explain what happens to a magnet travelling through a metal tube

Lenz's law states that the direction of current due to emf induced by a changing magnetic flux is always such that it opposes the change that induced it.

When a magnet travels through a copper tube...

MC
Answered by Melisande C. Physics tutor
5763 Views

How do the methods employed by Sylvia Plath in her poems enable her to explore their extreme subject matter?

Plath employs a variety of methods in her poetry which are sucessful in both creating tension and heightening the physical and mental pain which she describes.

In her poem "Daddy", the re...

CH
6096 Views

Let w, z be complex numbers. Show that |wz|=|w||z|, and using the fact that x=|x|e^{arg(x)i}, show further that arg(wz)=arg(w)+arg(z) where |.| is the absolute value and arg(.) is the angle (in polar coordinates). Hence, find all solutions to x^n=1 .

Put w=a+bi, z=c+di where a, b, c, d are real, and i2=-1. Then |wz|2=|(a+bi)(c+di)|2=|ac-bd+(ad+cb)i|2=(ac)2+(bd)2-2bcd+(ad)2+(c...

JK
Answered by Jihoon K. Maths tutor
7774 Views

Express 9^(3x+)1 in the form 3^y giving y in the form of ax+b where a and b are constants.

Fistly show that: 93x+1=3y

To find x we need to get the left hand side of the equation to be 3m(3x+1) where 3m

JG
Answered by Judy G. Maths tutor
5763 Views

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