Ravennicole14 Ravennicole14
  • 24-10-2016
  • Mathematics
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What is the correct expansion of the binomial (x + y)^5

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Kyutiedask10
Kyutiedask10 Kyutiedask10
  • 24-10-2016
ok you will multiply (x+y)(x+y) to get x2 + xy + y2, now multiply that times (x+y) to get x3+2x2y+2xy2+y3, now multiply that times (x+y) to get x4+3x3y+2x2y2+3xy3+y4, now multiply that times (x+y) to get you final answer which will be x5+4x4y+5x3y2+6x2y3+4xy4+y5  

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