Question

Use Euclid's division lemmato show that cube of any positive integer is either of the form 9m,9m+1 or 9m+8 for some integer m.​

Answer 1

Step-by-step explanation:

Take b= 3

therefore, possible remainders are 0,1,2

By using Euclid's division lemme,

a = bq + r

...

rest all solved above

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