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When should I use the subjonctif?

The subjunctive is a tricky part of the french language, one that often confuses students.

There are several cases in which it is used:

- when you express a desire, a will, ...

SK
Answered by Susanne K. French tutor
4714 Views

How do I simplify a surd?

To simplify a surd, remember thatsqrt(a*b) = sqrt(a)sqrt(b)If either a or b are square numbers, you can simply write its square root. Hence, to simplify a surd, you must look for any ...

HM
Answered by Hayden M. Maths tutor
7676 Views

What are simultaneous equations and how do I solve them?

E.g you have 2 equations and have to set them equal to each other. 
2x + 3y = 6 
-3x +  y = 2

multiply first equation by 3, second by 2 to get
6 x + 9y = 18
-6 x +...

SK
Answered by Susanne K. Maths tutor
5245 Views

In integration, what does the +c mean and why does it disappear if you have limits?

When you differentiate, the constant disappears, because it is not dependent of the variable. So when you integrate, you have to add the constant again. However, you can't know the vaulue of c without ...

SK
Answered by Susanne K. Maths tutor
10737 Views

What if my equation doesn't factorise?

For all quadratic equations, you can use the quadratic formula. Given an equation of the form ax2+bx+c, you can plug those va...

HM
Answered by Hayden M. Maths tutor
4595 Views

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