Let * be the binary operation on N given by `a * b =LCM of a and b, a AA a, b N.` Find 5 * 7.

Let * be the binary operation on N given by a * b = L.C.M. of a and b. Find 5 * 7.

Let ∗ be the binary operation on N given by * a * b = L.C.M. of a and b . Find : 5*7 , 20*16

Let* be the binary operation on N given by a*b=LCM of a and b,Is * associative?

Let * be the binary operation on N given by x*y=LCM of x,y.Find 9*5?

Let '*' be a binary operation on N given by a* b = LCM (a,b) for all a , b in N . Find 5 * 7.

Let ** be the binary operation on N given by a**b = L.C.M. of a and b. Find 5"*" 7,20"*" 16

Let * be the binary operation on N given by a * b = L.C.M. of a and b. Find. Is * commutative?

Let ** be the binary operation on N given by a**b = LCM of a and b. Find (i) 5 ** 7, 20 ** 16 (ii) Is * commutative? (iii) Is ** associative? (iv) Find the identity of ** in N (v) Which elements of N are invert

Let ∗ be the binary operation on N given by * a * b = L.C.M. of a and b . Find : Which elements of N are invertible for the operation ∗ ?

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