Math, asked by rahulyadavhr80, 9 months ago

please solve this question
and give step by step solution

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Answered by nitinkumars74

1

Step-by-step explanation:

.Lets xy is a two digit number.

From the question, we have to check for xy−yx

xy−yx=(10x+y)−(10y+x)=9x−9y=9(x+y)

Which is always divisible by 9.

Hence the difference of a two digit number and the number obtained by reversing the digit is always divisible by 9.

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