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The preterite is used to describe actions that were completed at a specific moment in the past. For example, "Ayer, Marina me pidió ir al cine". This action happened yesterday (ayer) and is not ...

You should write a^x as (e^lna)^x = e^xlna . ln(a) is a constant, so use the chain rule to differentiate this: lna(e^xlna) = lna(a^x)

a x b = 8i + 24j - 42k

I've always thought that physics is best explained through analogies, and so instead of two resistors we'll imagine two people (our resistors) in Yo Sushi (where plates of sushi represent our voltage). Sa...

Firstly, we should understand that there are several future tenses in French - just like in English, although you may not have noticed that before. "I will", "I am going to", "I w...