Mathematics · Relations and Functions
Let a binary operation '' be defined on a set P. Under which of the following conditions will the operation be commutative for all x, y ∈ P?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x * y = x
- 2(y * z) * x = (y * x) * (z * x)
- 3(x * y) * z = x * (y * z)
- 4x * y = y * x✓
Correct answer
x * y = y * x
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