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A direct object pronoun is used after a subject and a verb in a sentence, conveying who/what is carrying out the action portrayed.

i.e Anna was eating the cookies.

In this sentence, "An...

Passato prossimo is a past tense that describes an action that has happened and is now over, i.e. a complete action. Example : il mercoledi sono andata a scuola - on Wed I went to school (happened once an...

Notice that integration is simply the opposite of differentiation. So, if we just integrate this term-by-term then we can find an expression of y in terms of x.

So, when we integrate dy/dx becomes ...

Remember that the equation of a straight line (when given two points OR a point and a gradient) is y-y_1 = m(x-x_1) where m is the gradient and (x_1,y_1) is a point on the line.

Since we have two p...

Rates and differential equations is a topic many students find difficult, especially when solving the differential equation is combined with techniques from other topics on the C4 syllabus. I hope my walk...