Question: For all real numbers x does not equal 1, and n an integer, prove by induction that: 1+x+x^2+x^3+..+x^n=(x^(n+1)-1)/(x-1)

For all real numbers x does not equal 1, and n an integer, prove by induction that:

1+x+x^2+x^3+..+x^n=(x^(n+1)-1)/(x-1)

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