मराठी

Let * be the binary operation defined on Q. Find which of the following binary operations are commutative a * b = a + ab ∀ a, b ∈ Q - Mathematics

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प्रश्न

Let * be the binary operation defined on Q. Find which of the following binary operations are commutative

a * b = a + ab ∀ a, b ∈ Q

बेरीज
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उत्तर

Given that * is a binary operation defined on Q.

a * b = a + ab

b * a = b + ab

So clearly, a + ab ≠ b + ab

Thus, * is not commutative.

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पाठ 1: Relations And Functions - Exercise [पृष्ठ १३]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 12
पाठ 1 Relations And Functions
Exercise | Q 26. (iii) | पृष्ठ १३

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