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Find the coefficient of third term of (2x−1)^6.

 Aug 4, 2020
 #1
avatar+188 
+1

HEH?

 

Just. HEH?

 

The third term of (2x-1)^6 is... something so long it puts thomas the tank engine to the size of a quark.

 

It's: (64x^6)-(192x^5)+(240x^4)-(160x^3)+(60x^2)-12x+1

 

I'm not adding that. I just won't. It is not something I will do.

 

That's the most I can do. I needed to eat 3 advils. I had a witch doctor see into my brain and she had a stroke and died. The 3 gummy vitamins in my system are not enough. You should pay for my psychiatric bills. You caused it. You're the root of all evil. 

 

ok maybe im just annoyed.

 

Yay...!

 Aug 4, 2020
 #2
avatar+169 
+1

Binomial Theorem.

and Varxaax, I think you almost got it

now you just look at the coefficient of the term

which is 240.

but this seems VERY MUCH like an AOPS - Counting and Probability - Binomial Theorem problem.

If it is well.

good luck with your cheating career is all i can say

 Aug 4, 2020

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