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How do I write a good conclusion to my essay?

Writing a good conclusion is one of the hardest parts of an essay. Remember that the conclusion is the last impression you give an examiner, so it's very worth putting in extra effort and thought, even under...
FM
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Find the equation of the normal to the curve x^3 + 2(x^2)y = y^3 + 15 at the point (2, 1)

The first thing when seeing such a question is to find out what the question wants you to do and plan your method to do so.In this case, the question asks you to find the normal of a curve at a given point (...
KL
Answered by Kelvin L. • Maths tutor
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Why does ionization energy increase across a period?

First of all, let's define ionization energy. Ionization energy is the energy needed to remove 1 electron from each atom in 1 mole of gaseous atoms. The higher this energy is, the harder it is to remove the ...
AF
Answered by Amelia F. • Chemistry tutor
32700 Views

Expand (x-3)(x+7)

FOIL Method: F - First x x = x 2 O - Outside x 7=7x I - Inside -3 x=-3x L - Last -3 7= -21 Add all the results up to get the answer: x 2 +7x-3x-21 = x 2 +4x-21
ML
Answered by Martin L. • Maths tutor
8531 Views

Find the value of x: 2x^2 - 3x - 4 = 1

2x^2 - 3x - 4 = 1 To solve, we should bring all the terms to one side, and equate the equation to 0. To do this, we should subtract 1 from each side. 2x^2 - 3x - 4 - 1 = 1 - 12x^2 - 3x - 5 = 0 Next, we shoul...
PS
Answered by Prithvie S. • Maths tutor
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