Mathematics · Algebra
The expression (x + 1y)a(x - 1y)b(y + 1x)a(y - 1x)b reduces to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(yx)a+b
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- 3(yx)a-b
- 4(xy)a-b
Correct answer
(xy)a+b
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