JoJo1912 JoJo1912
  • 27-02-2017
  • Mathematics
contestada

Expanding [(x-1)+y]^4

Expanding x1y4 class=

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Аноним Аноним
  • 27-02-2017
I hope this helps you








binom formula


1

1 1



1 2 1 (2.th)



1 3 3 1 (3.th)



1 4 6 4 1 (4.th )





1.x^4.y^0+4.x^3.y^1+6.x^2.y^2+4.x^1.y^3+1.x^0.y^4



x^4+4.x^3.y+6.x^2.y^2+4.x.y^3+y^4
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