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 one year ago
Expand (x  2y)4.
A: x4 + 8x3y + 24x2y2 + 32xy3 + 16y4
B: x4  8x3y + 24x2y2  32xy3 + 16y4
C: x4  8x3y + 24x2y2  34xy3 + 16y4
D: x4  8x3y + 28x2y2  32xy3 + 16y4
 one year ago
Expand (x  2y)4. A: x4 + 8x3y + 24x2y2 + 32xy3 + 16y4 B: x4  8x3y + 24x2y2  32xy3 + 16y4 C: x4  8x3y + 24x2y2  34xy3 + 16y4 D: x4  8x3y + 28x2y2  32xy3 + 16y4

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Voidus
 one year ago
Best ResponseYou've already chosen the best response.0aren't they all the same?

anthony~
 one year ago
Best ResponseYou've already chosen the best response.0i think its x^4  8x^3y + 24x^2y^2  32xy^3 + 16y^4 (B)

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1they only differ in sign changes

Voidus
 one year ago
Best ResponseYou've already chosen the best response.0@amistre64 actually that and the coefficients.

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1...28 and 34 .... sneaky

anthony~
 one year ago
Best ResponseYou've already chosen the best response.0the numbers are different too. the numbers, signs and all that. they're not the same. none of them.

amistre64
 one year ago
Best ResponseYou've already chosen the best response.11 4 6 4 1 pascal row x x x x 1 power down 1 2y 2y 2y 2y power up 

anthony~
 one year ago
Best ResponseYou've already chosen the best response.0x^4  8x^3y + 24x^2y^2  32xy^3 + 16y^4??

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=expand+%28x++2y%29%5E4 but yeah, B is good
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