HKDSE Maths M1 Practice Questions - HKDSE Mathematics Extended Part Module 1 (Calculus And Statistics) Exam

Using the exponential series, the expansion of e^x in ascending powers of x begins with which terms?

x + x^2/2 + x^3/3 + ... 1 - x + x^2 - x^3 + ... 1 + x + x^2/2! + x^3/3! + ... 1 + x + x^2 + x^3 + ...

Correct Answer:

1 + x + x^2/2! + x^3/3! + ...

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