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An arithmetic series is 2,5,8,11... What is the nth term of this sequence?

Step 1: Difference between each term is 3. As the difference is constant it means that the degree of n in the nth term formula must be 1 (i.e no n^2, n^3 etc.). As we are adding 3 to each successive term we ...
TM
Answered by Tarun M. • Maths tutor
38792 Views

What is the difference between 'ser' and 'estar'?

'Ser' is used to describe the permanent state of something, aka what something is . These are qualities which aren't going to change any time soon, and are the qualities which define a person or object. Spec...
LN
Answered by Laura N. • Spanish tutor
2641 Views

How does McEwan present the outsider, and sympathy for them, in an extract from Part 2? (pg 308-309 ‘Luc was rambling again…he was about to die’)

In her interaction with Luc Cornet, Briony is drawn into a fiction where she is an outsider by virtue of her inability to truly know the life he describes – despite its appeal to her. Luc treats Briony as if...
HH
6127 Views

Using Pythagoras theorem to find side lengths of a triangle

Pythagoras theorem can sound quite intimidating but it involves remembering just one equation and using it like a rule. This rule can only be used on right-angled triangle. Just remember c 2 = a 2 +b 2 . Eac...
JB
Answered by Jessica B. • Maths tutor
3693 Views

How can I form the imperfect tense in French?

To form the imperfect tense, you take the 'nous' form of the verb in the present tense. Next, you take the -ons off the ending of the verb so that you are left with the stem. Then, you add the following endi...
LM
Answered by Lydia M. • French tutor
2613 Views