Question

which of the following is the identity element under addition

1. 1
2.-1
3.0
4. none of these​

Answer 1

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sandeshkumari

01.07.2018

Math

Secondary School

+5 pts

Answered

Which of the following identity element? options are 1,-1,0,none of these

1

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kurokiri67

kurokiri67 Ace

1 is the identity element for multiplication, because if you multiply any number by 1, the number doesn't change. Identity elements are specific to each operation (addition, multiplication, etc.). So while 1 is the identity element for multiplication, it is NOT the identity element for addition.

Similarly 0 is an identity element for addition

so the correct answer can be 1 or 0 based on the specific operation