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Expansion of exp(-x) is ..
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A
1-x+(x^2)/2!-(x^3)/3!+...
💡 Explanation:
The Taylor series expansion for e^x is 1 + x + x^2/2! + x^3/3!... Substituting -x for x gives 1 - x + x^2/2! - x^3/3! + ..., where signs alternate. Option 108687 correctly shows this alternating pattern.