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Mathematics 7 Online
OpenStudy (anonymous):

what is (x-y)^4?

OpenStudy (anonymous):

to find the ans

OpenStudy (anonymous):

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

OpenStudy (anonymous):

do it

OpenStudy (anonymous):

ok so according to the rule is (a-b)nth power, it is ended with plus and if it is odd, it would be ending with subtraction. It goes -+-+ order. Thanks

OpenStudy (anonymous):

with pascal's triangle

OpenStudy (anonymous):

it's easy

OpenStudy (anonymous):

type fast!

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