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Show that the determinant of the 3x3 matrix (2 1 1 / 2 1 7 / 6 3 5) is equal to zero.

To find the determinant of this matrix, we calculate: 2(1x5-3x7)-1(2x5-6x7)-1(2x3-1x6) = 10 - 42 - 10 + 42 -6 + 6 = 0.So the determinant of this 3x3 matrix is equal to zero.

Answered by LAUREN G. • Maths tutor

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It is the best policy for the UK government to be more concerned with sending young people to university than increasing the manufacturing skills base through work-based training programmes. Discuss

It is the best policy for the UK government to be more concerned with sending young people to university than increasing the manufacturing skills base through work-based training programmes. The standard ...

Answered by Atul J. • LNAT tutor

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what is the best advice for writing a first draft personal statement

write a first draft without looking at any examples don't use cliche/sweeping statementskeep sentences short and concise

Answered by Sebastian F. • Personal Statements tutor

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How would I structure an answer to this question: Which of the following was the more important reason why the Weimar Republic was in danger in the years 1919–1923: economic problems or political unrest? (taken from an AQA past paper)

First, you should pick out the key words of the question. In this case, the question is asking you specifically about two factors, economic problems versus political unrest. This means you shouldn't discu...

Answered by Carlo C. • History tutor

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