" Let "^(*)" be the binary operation on "N" given by "a+B=LCM" of a and "b" find "20^(+)16" ."

Let " *" be a binary operation on N given by a"*"b =LCM of a and b. Find 20"*"16.

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 x*y=LCM of x,y.Find 9*5?

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 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 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 invertible for the operation ?

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