高数题
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高数题,高数题，级数，展开成幂级数？
f(0) = 0, f'(x) = e^(-x^2) = ∑<n=0,∞> (-x^2)^n/n! = ∑<n=0,∞> (-1)^n x^(2n)/n! f(x) = ∫<0, x>f'(t)dt + f(0) = ∫<0, x>∑<n=0,∞> (-1)^n x^(2n)/n! = ∑<n…
f(0) = 0, f'(x) = e^(-x^2) = ∑<n=0,∞> (-x^2)^n/n! = ∑<n=0,∞> (-1)^n x^(2n)/n! f(x) = ∫<0, x>f'(t)dt + f(0) = ∫<0, x>∑<n=0,∞> (-1)^n x^(2n)/n! = ∑<n…
