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The chain rule is incredibly useful when differentiating compositions of funcions.
Until now you have really only met dy/dx as your derivative. By imagining dy/dx as a fraction, you...
If the verb avere is in a compound past tense (passato prossimo/trapassato prossimo) and is preceded by a direct object pronoun (pronome diretto-mi, ti, lo, la, li, le) the verb avere must agree. For ...
The subjunctive is a mood which is usually used to express uncertainty, doubt and feelings as opposed to the indicative mood which is used to demonstrate certainty. For example, je sais que Charles va...
A natural resource is any natural material that is either useful or valuable, this can include: natural gas, crude oil, metal ores and water (i.e. ground water).
A re...
First thing: don't panic! I know it is scary, when you are in front of an long unseen translation and you don't seem to recognise any word. What you need to do is take a deep breath and start unravell...
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