get app

Go To Your Study Dashboard

Filters

CBSE 12 Class

Maths

Relations and Functions

Select Exercise

1.4

Q&A - Ask Doubts and Get Answers

Q

Let ∗ be the binary operation on N given by a ∗ b = L.C.M. of a and b. Find the identity of ∗ in N

Q.6 Let ∗ be the binary operation on N given by $a* b = L.C.M.\; of \;a\; and \;b$ . Find

(iv) the identity of ∗ in N

Answers (1)

Views

S seema garhwal

$a* b = L.C.M.\; of \;a\; and \;b$

(iv) the identity of ∗ in N

We know that $L.C.M.\; of \;a\; and \;1 = a = L.C.M.\; of 1\, \, and \;a\;$

$\therefore$ $a*1=a=1*a$ for $a \in N$

Hence, 1 is the identity of ∗ in N.

Similar Questions

Related Chapters

Exams

Articles

Questions