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For this question I would consider different methods for finding the roots of quadratics and remind the student that an exam could ask for a particular method to be used (as on one of the recent GCSE math...
Firstly I would state the substitution rule, letting 5xCos(3x)=w(x), and differentiating with respect to w(x). This gives y'(x)=2w'(x)(w(x)).I would then demonstrate the product rule stating ...
A good first step to answering questions on specific issues or processes would be to give a clear definition of the subject, in this case, fossil fuels. If you cannot immediately think of...
You first calculate the delta of the equation: delta = b^2-4ac = 16 - 16 = 0 => the solution is double.x1,2 = (-b±sqrt(delta))/2/a = 4/2/4 = 1/2 which is real.so the solutions are 1/2 and 1/2....
Digestion is the process of breaking down the big molecules of food that we eat, into smaller molecules that the body can absorb and use. To help break down the food, we need enzymes, which the body produ...
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