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Firstly we identify the problem, in this case we have 2 equations which contain a total of 2 unknowns, it is therefore simultaneous equations.Our first step is to rearrange an equation of our choice to gi...

To express such an opinion, you can use the verb "aimer" which means "to like". It's a regular verb from the 1st group (ending in -er) which is quite easy to conjugate, and once you un...

There are a number of different situations in which you use the subjunctive in French. It is a 'mood' rather than a tense, and is used in dependent clauses following 'que' or 'qu''. In French, feelings of...

Begin with the equation: y = x⁴-8x²+3. Differentiate by bringing the power down and reducing the power by 1 of each of the terms with x in and constant terms (3) become zero. dy/dx =...

Set the function equal to y so y=1-2x^3now rearrange this to set x as the subject 2x^3= 1-yx^3 = (1-y)/2x = ((1-y)/2)^1/3therefore the inverse is f^-1 = ((1-x)/2)^1/3