1.

State true or false. Write the reasons: For any two integers a and b, a × b = b × a

Answer»

4 × (- 5) = (- 5) × 4 

– (4 × 5) = -(5 × 4) 

– 20 = – 20 

So, for any two integers a and b, 

a × b = b × a.



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