anonymous
  • anonymous
when using the binomial formula what is the correct expansion of (x+y)^4
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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misty1212
  • misty1212
lol same as it is without the "binomial formula" but we can do it for sure
anonymous
  • anonymous
but the answer choices are long.
misty1212
  • misty1212
the first term will be \(x^4\) the next one will be something times \(x^3y\) the third one will be something times \)x^2y^2\) the four will have a \(xy^3\) and the last will be \(y^4\)

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misty1212
  • misty1212
yeah it is long all right
anonymous
  • anonymous
thank you :D
misty1212
  • misty1212
the coefficients you can get from the fourth row of pascal's triangle http://www.mathsisfun.com/pascals-triangle.html
misty1212
  • misty1212
you see it is \(1,4,6,4,1\)
misty1212
  • misty1212
so final answer will be \[x^4+4 x^3 y+6 x^2 y^2+4 x y^3+y^4\] you want to check it?
anonymous
  • anonymous
i go it. thank you!!

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