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Let '*' Be a Binary Operation On N Defined by A * B = 1.C.M. (A, B) for All A, B ∈ N Find 2 * 4, 3 * 5, 1 * 6. - Mathematics

Sum

Let '*' be a binary operation on N defined by
a * b = 1.c.m. (a, b) for all a, b ∈ N
Find 2 * 4, 3 * 5, 1 * 6.

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Solution

a * b = 1.c.m. (ab)

2 * 4 = 1.c.m. (2, 4)
             = 4
3 * 5 = 1.c.m. (3, 5) 
         = 15
1 * 6 = 1.c.m. (1, 6)

        = 6

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APPEARS IN

RD Sharma Class 12 Maths
Chapter 3 Binary Operations
Exercise 3.2 | Q 1.1 | Page 12
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