Question

if A is predecessor of b then value of (a-b) and (b-a)​

Answer 1

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(a-b) = -1

(b-a) = 1

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Answer 2

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