Question

verify the commutative law of multiplication for the following pair of rational number =2upon 3and-7upon5​

Answer 1

Solution:

Let a = 2/3,b = -7/5

a×b = (2/3)(-7/5) = -14/15

b×a= (-7/5)(2/3) = -14/15

Therefore ,

a×b = b×a [ Commutative law]

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