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Find the constant term in the expansion of: (10x^3-1/2x^2)^5

 Mar 31, 2017
 #1
avatar+95969 
+1

I think this is supposed to be :

 

( 10x^3  -   1 / (2x^2)  ) ^5

 

The constant term is :

 

- C(5, 3) * (10x^3)^2 * ( 1 / (2x^2))^3  =

 

-10 * (100 x^6) * ( 1 / (8x^6) )  =

 

- [10 * 100 / 8[  * (x^6 / x^6 )  =

 

- 125

 

 

cool 

 Mar 31, 2017

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