The opposite reciprocal of 2 is -1/2. To find the opposite reciprocal of a number, you first find its reciprocal and then change the sign.
Here’s how it works:
- Find the reciprocal: The reciprocal of 2 is 1/2. This is because 2 can be written as 2/1, and the reciprocal is obtained by flipping the numerator and the denominator.
- Change the sign: The opposite of a number is its negative. So, the opposite of 1/2 is -1/2.
Therefore, the opposite reciprocal of 2 is -1/2.