1 Define the function of by cos(27") 3n f(x) = Σ n=0 a) Use the Weierstrass M-test to show that f is continuous for all 2 € R. b) Show that f is uniformly continuous on all of R.

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A: অতএব, f a=1 এ অবিচ্ছিন্ন।Explanation:

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