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y=x³-4x²+2A tangent to a curve at a specific point along the line will have excatly the same gradient as the curve at that point. For example if the point was (0,0) the tangent would...

1 - We first need to find a common factor, something that is the same in both parts of the expression.

2 - Then we need to take this out of the expression by dividing both parts of the ex...

To gain all of the marks, 4 different points must be made. To begin, state what is obvious:

The density of the gold nucleus is much greater than the density of the gold atom.

First of all, in Italian the perfect tense has a precise structure:

-The auxiliary verb, essere or avere, in his present form (Io ho, tu sei, egli ha)

-The past participle, ...

One useful way of structuring an essay is to divide it into sections as follows:

Introduction: This should use words from the question and briefly summarise what you will argue/examine/di...