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Home Q & A Board Science-Related Homework Help Mathematics
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lifted lifted
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9 years ago
Could someone help me out with this one please.

Factor completely, relative to integers.
r^4-s^4

Can someone tell me if this one is right.

u^3v-4uv^3
uv(u^2-4v^2)
uv[(u^2-(2v)^2]
uv(u^2-2v)(u^2+2v)
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Answer accepted by topic starter
zulukudzuzulukudzu
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9 years ago
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#2
9 years ago
r^4-s^4
(r^2+s^2)(r^2-s^2)
(r^2+s^2)(r+s)(r-s)


u^3v-4uv^3

uv(u^2-4v^2)
uv(u+2v)(u-2v)
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