+0  
 
0
637
1
avatar
(t-4)^4
 Feb 1, 2014
 #1
avatar+118667 
0
woods:

(t-4)^4



Hi Woods,
When you write questions like this please use the 'sup' that is located above the smilies
to type this just type
(t-3) then hit the 'sup'button, your curser will be put in the correct position to type 4 then just move the curser to the end and you are done.

(t-4) 4
---------------------------------------------------------------------------------------------------------------------------
Now, there are different ways to do this. If you are a senior student then you are probably supposed to do this with a binomial expansion.

http://www.mathsisfun.com/algebra/binomial-theorem.html

I think that it would be a good idea for you to work through this web page.

When you do your one,
a will be replaced by t and b=-4
------------------------------------------------------------------------------------------------------------------------------
If you are a younger student and you have no idea what i am talking about you can do it the long way.
that is
(t-4)(t-4) = work that out and it will = t 2 - 8t + 16
so
(t-4) 4 = ((t-4)(t-4) X (t-4)(t-4) = (t 2 - 8t + 16)(t 2 - 8t + 16) => you work it out

You are welcome to reply if you want more help. If you do, tell me something of what you have done, or what you are stuck on.
 Feb 1, 2014

2 Online Users