Let f(x)=2x^−3 for 1<x<Infinity ,f(x)=0 otherwise be the pdf for a random variable X, find F(x). Could you please help me how can I find it I know f(xi)=F(xi)-F(xi-1) ?

Let f(x)=2x^−3 for 1<x<Infinity ,f(x)=0 otherwise be the pdf for a random variable X, find F(x). Could you please help me how can I find it I know f(xi)=F(xi)-F(xi-1) ?

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