if A is predecessor of b then value of (a-b) and (b-a)
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(a-b) = -1
(b-a) = 1
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Answer:
GOOD MORNING BEST FREIND
Step-by-step explanation:
- before number of any number is known as predecessor and after number of any number is known as successor . For example : - 1 is the predecessor of 2 and 2 is the successor of 1.
- here notable point is that " difference of predecessor number of a number from that number = 1. for example :- 8 is predecessor of 9 , then 9 - 8 = 1
- And difference of a number from predecessor of that number = -1. for example:- 9 is predecessor of 10 then, 9 - 10 = -1
- Now, according to question,
- a is the predecessor of b , means a is before number of b
- e.g., b = a + 1
- Hence, (a - b) = (a - a - 1) = -1
- And (b - a) = a + 1 - a = 1
kebhi good morning bhi bol diya ker
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