Jack3
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Show that ∑_(n=1)^∞ cos^n (2^n x) converges for a.e. x, but diverges on a dense set of x’s .
Show that [math]\sum_{n=1}^\infty \cos^n (2^n x)[/math] converges for a.e. x, but diverges on a dense set of x’s .
Show that [math]\sum_{n=1}^\infty \cos^n (2^n x)[/math] converges for a.e. x, but diverges on a dense set of x’s .
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