Question

Show that (x - 1) is a factor of x1 - 1​

Answer 1

Answer:

x-1=0

x=1

x1-1=0

1×1-1

1-1=0

yes x-1 is factor of x1-1

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Answer 2

Step-by-step explanation:

(x-1) can be a factor of (x1-1) if and only if( x-1) completely divides (x1-1)

Let x1-1 =0

Or, x=1......(i)

Now,

X1-1

=(1*1)-1 [from (i)]

=1-1

=0

Hence, PROVED.

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