plz answer.............
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i. a=-17 and b= 15
(-17)-[-(15)] = -17 + 15
=> -17+15= -17+15
=> -2=-2 ( answer verified that a-[-b]=a+b)
ii. a= 50 and b=21
(50)-[-(21)] = 50+21
=> 50+21 = 50+21
=> 71=71 (answer verified that a-[-b]=a+b)
(-17)-[-(15)] = -17 + 15
=> -17+15= -17+15
=> -2=-2 ( answer verified that a-[-b]=a+b)
ii. a= 50 and b=21
(50)-[-(21)] = 50+21
=> 50+21 = 50+21
=> 71=71 (answer verified that a-[-b]=a+b)
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