Question: Problem 2.3. Let a and b be positive integers, and suppose r is the non-zero remainder when b is divided by a . Prove that

Problem 2.3. Let

a

and

b

be positive integers, and suppose

r

is the non-zero remainder when

b

is divided\ by

a

. Prove that when

-b

is divided by

a

, the remainder is

a-r

Problem 2.3. Let a and b be positive integers, and suppose r is the non-zero remainder when b is divided by a. Prove that when b is divided by a, the remainder is ar

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