Math, asked by marikannumurugan1976, 1 month ago

th Verify the closure property for addition and multiplication for the -5 rational numbers 7. unerty for addition and multiplication for 8 and 9

Answers

Answered by gopalpvr

2

Step-by-step explanation:

-5, 7 belongs to rational numbers Q

(-5)+(7) = 2 is also a rational number

so rational number set is closed under addition

8, 9 belongs to rational numbers Q

(8)×(9)= 72 is also a rational number

so rational number set is closed under multiplication

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