जॉइन Examsbookउत्तर : 2. "1"
What is the product of a number and its reciprocal?5
प्र: What is the product of a number and its reciprocal?
- 10false
- 21true
- 3-ve of the numberfalse
- 4the number itselffalse
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उत्तर : 2. "1"
व्याख्या :
Answer: B) 1 Explanation: The product of a number and its reciprocal is always equals to 1. For Example : Let the number be 4. Now, its reciprocal is 1/4 Hence, required product = 4 x 1/4 = 1. Now, take the number as -15. Then its reciprocal is -1/15 Required product = -15 x -1/15 = 1. Hence, the product of a number and its reciprocal is 1.