Binomial expansion of (X+Y+Z)^5

by - June 09, 2020

(x+y+z)^(5)=x^(5)+y^(5)+z^(5)+5[x^(4)y+x^(4)z+y^(4)x+y^(4)z+z^(4)x+z^(4)y]+10[x^(3).y^(2)+x^(3).z^(2)+y^(3).x^(2)+y^(3).z^(2)+z^(3).x^(2)+z^(3).y^(2)]+20[x^(3)yz+y^(3)xz+z^(3)xy]+30[x^(2)y^(2)z+x^(2)z^(2)y+y^(2)z^(2)x]

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