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This question requires the use of two key rules of differentiating. The first of these is the product rule. The product rule describes a way of differentiating an equation which is the product of two diff...

The +c is to represent the loss in information after differentiation. Remember, integration is just the reverse of differentiation. Say we had this function:

f(x) = 2x^2 + 1 And we differentiate: f...

When expressing a negated opinion, you need to use the subjunctive. So it should be 'no creo que sea asi'. This applies to many other opinion verbs, like pensar. Remember: Pienso/creo que... use the indic...

It's easy to worry about rules with complicated names like this one, but they're normally simpler than they sound. This rule only applies with 'passé composé' and pluperfect phrases. When the direct objec...

Conventions are one of the sources of the UK constitution. They are effectively unwritten rules which regulate the conduct of government. An example is the Salisbury Convention, under which the House of L...