1.

) Which of the following is not true? If'aand 'b' are two integers(G) a - b is an integer(ii) a x (-b) - (-a) x b(iii) a-b b-a(iv) (-a) x b--(ax b)

Answer»

iii) is not correct as integer are not commutative.like take a= 2 , b= -32-(-3) = 5-3-2 = -5



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