+0  
 
+1
43
2
avatar

Calculate the coefficient of x^13*y^5 in the expansion of (-3x + 2y)^18,

 Jul 31, 2020
 #1
avatar
0

- 437125102848 x^13 y^5 

 Jul 31, 2020
 #2
avatar
0

(18 nCr 5)*(-3^13)*(2^5)*(x^13)*(y^5) = - 437,125,102,848x^13y^5

 Aug 1, 2020

56 Online Users

avatar
avatar
avatar