Let* be a binary operation on `N` given by a*b = HCF`(a ,\ b)\ a ,\ b\ \ Ndot` Write the value of 22*4.

Let * be a binary operation on N given by a * b=H C F\ (a ,\ b),\ \ a ,\ b in N . Write the value of 22 * 4 .

Let ** be a binary operation on N given by a ** b = HCF (a, b), a, b, inN . Write the value of 22**4 .

Let '*' be a binary operation on N given by a*b = H.C.F (a,b), a,b in N. Write the value of 22*4.

Let * is the binary operation on N given by a**b=HCF (a, b), where a, b in N . Write the value of 22**4 .

Let * be a binary operation on N given by a*b=HCF(a,b),quad a,b in N. Write the value of 22*4 .

Let ** a binary operation on NN given by a**b=H.C.F (a,b) for all a,binNN , write the value of 22**4

Let' be a binary operation on N given by a* b=HCF(a,b)a,b in N. Write the value of 22*4

Let * be a binary operation of N given by a a*b=L C M\ (a , b) for all a , b in Ndot Find 5*7.