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1. What is the numerical coefficient of the

   

Answer in simplest fractional form.

 

 

 

 

 

2. Prove the polynomial identity

 

 

 

 

 

 

 

3.

 

Thanks.

 Jan 13, 2019

Best Answer 

 #1
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1) use binomial theorem, the first term must be to the 2, 2nd term to the 4th, to get those exponents, then you just do 6c4*(1/9)*16 which is 240/9 which is 80/3.

 

2) easy. just factor. and expand.

 

3) first choice. make values that make 2x+7=23.

 

HOPE THIS HELPED!

 Jan 13, 2019
 #1
avatar+524 
0
Best Answer

1) use binomial theorem, the first term must be to the 2, 2nd term to the 4th, to get those exponents, then you just do 6c4*(1/9)*16 which is 240/9 which is 80/3.

 

2) easy. just factor. and expand.

 

3) first choice. make values that make 2x+7=23.

 

HOPE THIS HELPED!

asdf335 Jan 13, 2019

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