If {X: 2 d- x d- 19; X integer} and 7 + x = 4 (mod 9), fi...
If {X: 2 d- x d- 19; X integer} and 7 + x = 4 (mod 9), find the highest value of x
2
5
15
18
Correct answer is C
No explanation has been provided for this answer.
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