Question

if X and Y are the number of possibilities that A can assume such that unit digit of A and Acube are same the unit digit of A square and A cube are same respectively then the value of x-y where A is a single digit number

Answer 1

Thank you for asking this question. Here is your answer:

these are the possibilities  

For a single digit number A  

It's cube is equal to number itself  

if A ={1,-1,0}

It's square is equal to number itself

if A={1,0}

x-y=3-2=1

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