Question

prove that x square n-1 is divisible by x-1​

Answer 1

Step-by-step explanation:

x-1=0

x=1

x*x-1

Now put the value of x in equation

=1*1-1

=1-1

=0

Hence x^2-1 is divisible by x-1 and x-1 is a factor of x^2-1