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- Solve this problem - Sets, Relations and Functions - JEE Main-8
- #Sets, Relations and Functions
- #All India Pre Medical Test
- #Maths
- #Engineering
- #Joint Entrance Examination Main
Let * is a binary operation on N given by a*b=LCM(a,b) for all a,bN. Find 5*7.
- Option 1)
5
- Option 2)
7
- Option 3)
35
- Option 4)
1
Answers (1)
As we learnt
BINARY OPERATIONS -
A binary operation denoted by * on a set A is a function *: A × A → A.
-
LCM(5,7)=35
Option 1)
5
Option 2)
7
Option 3)
35
Option 4)
1
View full answer
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