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Name the property under multiplication used in each of the following?
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Name the property under multiplication used in each of the following?
Multiplicative identity:
When we multiply any rational number with 1, we get back that rational number as the product.
a x 1 = 1 x a = a for any rational number a. We say that 1 is the multiplicative identity for rational numbers.
Commutative:
Two rational numbers can be multiplied in any order. Multiplication is commutative for rational numbers. In general, a x b = b x a for any two rational numbers a and b.
Multiplicative inverse:
A rational number c /d is called the reciprocal or multiplicative inverse of another rational number a / b if a/b x c / d x = c/d x a/b=1
The reciprocal of a non zero rational number p/q is q/p…
Zero has no reciprocal .
The reciprocal or the multiplicative inverse of a nonzero rational number p/q is written as (p/q)^-1
Solution:
(i) -4/5 x 1 = 1 x (-4/5) = -4/5
1 is the multiplicative identity.
(ii) -13/17 x -2/7 = -2/7 x -13/17
Commutative property
(iii) -19/29 x 29/-19 = 1
Multiplicative Inverse property.
This question is part of UPSC exam. View all Class 8 courses
Most Upvoted Answer
Name the property under multiplication used in each of the following?
1 is the identity for multiplication.
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Name the property under multiplication used in each of the following?
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Name the property under multiplication used in each of the following? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Name the property under multiplication used in each of the following? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Name the property under multiplication used in each of the following?.
Name the property under multiplication used in each of the following? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Name the property under multiplication used in each of the following? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Name the property under multiplication used in each of the following?.
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