Question
Find the sub-duplicate ratio of $(x-y)^4:(x+y)^6$
✓
Answer
Sub-duplicate ratio of $(x-y)^4:(x+y)^6$
$=\sqrt{(x-y)^4}: \sqrt{(x+y)^6}=(x-y)^2:(x+y)^3$
$=\sqrt{(x-y)^4}: \sqrt{(x+y)^6}=(x-y)^2:(x+y)^3$
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