# Search results

1. ### Trinomial Expansion

anyone can help me? :(
2. ### Trinomial Expansion

I find it difficult to expand a trinomial using the formula method (factorial method) where you can find the coefficient of any term without expanding the whole trinomial. I can understand the binomial, but I can't do the trinomial using the general sigma notation method. Can someone please...
3. ### How to mentaly get answers at once when given in powers?

Is there any method that you can calculate by mentaly and get answers mentaly when a number is given with a power. I mean for example say, 3^4 will be equal to 81. This is just a simple one. I mean now if a number is given like 6^12 then is there a method that you can get the answer by mental...
4. ### Where to learn coordinate gepmetry?

A little more advance Hi, Thanks alot for the site, but i want one that is a little more advance. I have done these parts. Thanks alot:smile:
5. ### Where to learn coordinate gepmetry?

I am currently learning about coordinate geometry. But I need to brush it up a little also. I want to know geometry about the straight line. Can anyone give me a website for this. i searched in the google but can't get any results that I need. Thanks alot.
6. ### I need sums in LOG

Ya ya I know that, but you can convert it to sums like I've shown above isn't it?
7. ### I need sums in LOG

Well I mean Ok I mean not converting to a sum. I mean to prove that you can convert it to a sum. I mean to prove only 1 side to get the left hand side. And then show that it could be proved. I think I expressed in the correct way because I am from a non-english country now learning in the...
8. ### I need sums in LOG

Hi, I just need a little help in getting some sums. Can anyone of you give me a site where I can find sums in Log so that I can do them and practice a lot. I mean like sums in this type Show that log(xy)base16 = 1/2log(X)base4 + 1/2log(Y)base4 Thanks just need some sums of this type...
9. ### Log law -Change base

Hi, I am just a little confused with this log law of change base. Is there any one who can give me a clear description with an example?:smile: Thanks