Question

${x}^{0} + {x}^{1} + {x}^{2} ..... + {x}^{n} = \frac{ {x}^{n + 1} - 1 }{x - 1 } \\ let \: prove$
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Answer 1

given :

${x}^{0} + {x}^{1} + {x}^{2} ..... + {x}^{n} = \frac{ {x}^{n + 1} - 1 }{x - 1 }$

solution : ---------loading-----

hence proved