Proof of divisibility rule of 9
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A number is divisible by 9 if the sum of its digits is divisible by 9. For large numbers this rule can be applied again to the result. In addition, the final iteration will result in a 9.
Example- 18
1+8 =9
since 9 comes in the table of 9 that's why it is divisible by 9
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Answer:
divisibility rule of 9
sum the total numerals present in the number if their sum is divisible by 9 then
the number is divisible by 9
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