Question: Use substitution (as in Example 4) to find the Taylor series at x = 0 of the functions. EXAMPLE 4 Using known series, find the
Use substitution (as in Example 4) to find the Taylor series at x = 0 of the functions.

EXAMPLE 4 Using known series, find the first few terms of the Taylor series for the given function using power series operations. (b) e cos x (a) (2x (2x + x cos x) (a) (2x (2x + x cos x) = (b) e cos x = = 2 = 1 + x + 2 1 x + X 3.x 3 3! = ( + x + + 1 x 3 + + 6 4! x5 3.4! x2k (2k)! + (-1). = 1 + x + + + + ) ( - # - # ----) 1 2! 3! 4! 4! + 72 + + - - -) - ( ++ ++) 3! 4! 2!2! 2!3! + +6 214! +
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The Taylor series expansion of a function fx about x 0 is given by fx f0 f0x f02x2 f03x3 where fx f... View full answer
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