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We can check for the presence of non-reducing sugars the Benedick's Test. If a reducing sugar is present in a solution, adding Benedick's reagent and heating will form an insoluble red precipitate. Non-reduc...

Being a doctor is a difficult job and requires more skills than just being good at biology. Medical schools are looking to see if you have these skills and that you understand what you're getting yourself in...

Differentiate y to get: dy/dx = 7-3x^2 , dy/dx = 0 , therefore x=(+/-)sqrt(7/3) d^2y/dx^2 = 6x , substitute x values in to y=7x-x^3 and d^2y/dx^2 to find coordinates and the type of the stationary point.

(x+3)(x-7) = (x x) + (x -7) + (x 3) + (3 -7) = x^2 - 7x + 3x - 21 = x^2 - 4x - 21 Key here is to ensure you multiply each term in one bracket by both in the other, and to keep careful track of the signs.

The first lexical device Burns explores is repetition. This is a key method in rhetoric because it establishes importance, and ensures the reader pays attention to the word repeated. The word "red"...