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A sequence is defined by the recurrence relation u_n+1 = 1/3 u_n + 10  with u₃ = 6 . Find the value of u₄ and the limit of the sequence.

To find ...

First we rearrange the equation

y + 4x = 7     to      y = −4x + 7

So we can see that the gradient of this equation is −4.

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First of all, there is no specific framework for a good piece of creative writing! Everybody writes differently, and different styles of writing require different skills. A gossip magazine column is very ...

A reflexive verb is a verb that describes an action you do to yourself. They are easy to recognise in German as they will always have sich before the infinitive. To form a reflexive verb, you must have...

To solve these similar equations, we must either first eliminate x or y. There are multiple ways of doing this, one being rearranging one of the equations so that it is either "x=.." or "...