Prove that every function is the sum of an even function + and an odd
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Prove that every function ƒ is the sum of an even function ƒ+ and an odd function ƒ−. ƒ±(x) = 1/2 (ƒ(x) ± ƒ(−x)). Express ƒ(x) = 5ex + 8e−x in terms of cosh x and sinh x.
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Let fx fxfx and x fxfx Then f x fx Moreover 2 so fx is an even funct...View the full answer
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