The reciprocal of any number is the other number you must multiply it by to equal one. In this case it's 9/2
9/2 ;
The reciprocal of 9 2 is 2 9 . This is found by flipping the numerator and denominator of the original fraction. Therefore, 9 2 multiplied by 2 9 equals 1, confirming they are reciprocals.
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