12. Suppose that a, b E R and a < b. Show that the vector space C[a, b] of all continuous complex valued functions defined on [a, b], with supremum norm is a Banach space. ||f||= sup f(t)\, te [a,b]

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12. Suppose that a, b R and a < b. Show that the vector space C[a, b] of all continuous complex
valued functions defined on [a, b], with supremum norm
||f||
is a Banach space.
sup f(t)\,
te [a,b]
Transcribed Image Text:12. Suppose that a, b R and a < b. Show that the vector space C[a, b] of all continuous complex valued functions defined on [a, b], with supremum norm ||f|| is a Banach space. sup f(t)\, te [a,b]
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