Question

Find the reciprocal of 2.

Answer 1

Hint: In this problem, we have to find the reciprocal of 2. We know that the reciprocal of a number is the inverse relationship of that number. Any number can have a reciprocal except zero. This is because when obtaining the reciprocal of zero, the answer would result as undefined. In other words the reciprocal of a number is the multiplicative inverse of itself. We can write the reciprocal in the following.

Complete step by step answer:
We know that the reciprocal of a number is a multiplicative inverse of itself.
 We should also know that it does not affect the sign.
The reciprocal of the number is \[\dfrac{1}{\text{number}}\].
Here we have to find the reciprocal of the number 2.
The reciprocal of number 2 is \[\dfrac{1}{2}\].
We can also write it in terms of power,
i.e. the reciprocal of the number 2 is \[{{2}^{-1}}\].

Therefore, the reciprocal of the number 2 is \[\dfrac{1}{2}\] or \[{{2}^{-1}}\].

Note: we should remember that reciprocal means ‘flip the fraction’ or we can say swap over the numerator and the denominator. Any number can have a reciprocal except zero. This is because when obtaining the reciprocal of zero, the answer would result as undefined. We can also write the reciprocal format in terms of power, by changing the sign of the number which is in the power. We should note that the reciprocal of the number is \[\dfrac{1}{\text{number}}\].