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Differentiate x^2 from first principles

Differentiation is about finding gradients of functions. With straight lines we take the "rise of run" - the change in y over the change in x. With curves e.g. f(x) = x^2 we need to use the same...

Answered by • Maths tutor

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Write a story with the title "Discovery"

Discovery In the thick folds of the forest I found myself gasping. Gasping for air, gasping for something that would remind me how to be alive in that place where all see...

Answered by Nadia A. • English Language tutor

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In the equation 2Na + 2H2O ---> 2NaOH + H2, is Na oxidised or reduced and why?

Write out the equation and explain the OIL RIG acronym.2Na + 2H₂O ---> 2NaOH + H₂Write the changes in oxidation state of Na. Na goes from an oxidation state of 0 to an oxidation ...

Answered by • Chemistry tutor

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How do I structure my personal statement?

It's important to break down your personal statement so that you can maximise each paragraph and focus on all of the crucial points which you should include. I would break it down into:Opening short parag...

Answered by Susannah W. • Personal Statements tutor

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Modern literature shows the destructive nature of family life. Compare the ways that family is presented in the two texts.

In the naturalistic family drama “Cat on a Hot Tin Roof” by Tennessee Williams, the role of women within the family and the ways in which characters react to them displays destructive aspects of family li...

Answered by • English Literature tutor

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