maths~~~~~~

1) f(x)=x^1997-1
when f(x) divided by x+1
remainder = f(-1)
=-1^1997-1
=-1-1
=-2

2) g(x) = x^100-1
when g(x) divided by x-1
remainder = f(1)
= 1^100 -1
= 1-1=0