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Let A, B and C be nxn matrices such that A=BC-CB. Show that the trace of A (denoted Tr(A)) is 0, where the trace of an nxn matrix is defined as the sum of the entries along the leading diagonal.

This is the type of question which requires some out of the box thinking. A sketch is presented below: We start by defining A = (aij), B = (bij) and C = (ci...

DG
2934 Views

What rehearsal techniques would you use to explore the relationship between [Character 1] and [Character 2] in the above extract?

Firstly, I would want to address the three main aspects of drama/theatre that could be used to communicate a relationship: spatial relations and proxemics, non-verbal communication and verbal communicatio...

EW
Answered by Ellen W. Drama tutor
4501 Views

What are indices laws?

Indices are often referred to as powers of a number. A power of a number is the number of times you multiply that number by itself. The indices laws are the rules for how these numbers can be manipulated ...

AG
Answered by Alex G. Maths tutor
4090 Views

Should the First Past The Post electoral system continue to be used for Westminster elections?

Many would argue that the system of First Past The Post ("FPTP"), which is used to elect MPs in Westminster elections is flawed for a variety of reasons. Firstly, FPTP creates a system of two-pa...

EO
5873 Views

Explain the ways in which the Constitution seeks to prevent the ‘tyranny of the majority’. (15)

There are various ways in which the Constitution seeks to prevent tyranny of the majority. One such way is through the principle of 'checks and balances', which is one of the core principles upon which th...

LD
8674 Views

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