Top answers


How can I differentiate x^2+2y=y^2+4 with respect to x?

To differentiate this kind of expression you would need to use implicit differentiation. Although it may sound new, you already have all the skills you need to be able to do it. We will differentiate both si...
MS
Answered by Margarita S. Maths tutor
6491 Views

How do I use proof by induction?

Induction is an incredibly powerful form of proof. As such, it is essential to be able to call upon such a tool if you want to study any higher form of mathematics. The basic structure of the method is as fo...
AD
4832 Views

How does the imperative work?

The imperative is used to give order or instructions to the person(s) you are talking to. The impersonal form of the imperative is conjugated like the form you. ¡Canta tú! ¡Canta! ¡Cállate tú! ¡Cállate! Irre...
JH
Answered by Jose H. Spanish tutor
3056 Views

How can I ensure I do well in my Oral or Writing when I do not know what the question or topics will be, I always get 'brain-freeze' under pressure?

Exam pressure and extreme stress stop our brains working effectively, so the best way to ace the oral and writing exams is to trick yourself into feeling confident and calm. This is actually easier to achiev...
IW
Answered by Isabel W. Spanish tutor
3220 Views

How do i get all the marks from a long answer question?

When you first see the marks allocated to a question, it may put some fear in you. However, there is no cause for concern. Paying attention to the command words in a question (such as DISCUSS, EXPLAIN) is ke...
SD
3733 Views