Mark the Correct alternative in the following:

If xn – 1 is divisible by x - λ, then the least positive integral value of λ is


Given xn-1 is divisible by x-λ


⇒ x=λ is the root of the eqn xn-1


⇒λn-1=0


⇒λn=1


Least value of λ=1

1