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Reciprocal

Definition Of Reciprocal

If the product of two numbers is 1, then the two numbers are said to be reciprocals of each other.
In other words, a reciprocal is the multiplicative inverse of a number.
The reciprocal of ‘a’ is 

Examples of Reciprocal

The real part of a complex number Z is denoted as Re (Z).
Consider 9x1/9 = 1
9 is the reciprocal of 1/9
1/9 is the reciprocal of 9.

The following are few examples of reciprocals
3.2, 1/32 
√6, 1/√6

Video Examples: What Is Reciprocal Math

Solved Example on Reciprocal

Ques: Find the reciprocal of 2/5

Choices:

A. 5/2
B. 2/5
C. 5x2
D. 1
Correct Answer: A

Solution:

Step 1: The reciprocal of2/5 is 5/2. [Interchange numerator and denominator of 2/5]