Question: Let an = (n), where is a continuous, decreasing function such that (x) 0 and Show that S. f(x) dx.

Let an = ƒ (n), where ƒ is a continuous, decreasing function such that ƒ (x) ≥ 0 andS. f(x) dx.

Show that

S f(x) dx s f(x) dx an a + n=1 f f(x) f(x) dx


S. f(x) dx.

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