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Object pronouns are a widely used way to say less in French. Today, I will explain how to use direct object pronouns. They are very useful to avoid repeating the same nouns two sentences in a row....
Solving simultaneous allows us to determine the value of two variables from two equations. 2x+y = 133x+2y = 21To find the value of the variables, our first step is to choose a variable and have equa...
161/5 x 2x =82/3 work out x
Chain rule:when we have a function on its own raised to a certain power. eg: f(x)=(2x+3)3--> f'(x)=3*2(2x+3)2Product rule:<...
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