Taylor Series Approximation of e^(-t/τ) for t<<τ | GATE Chemical Engineering 2012 Question 3

Chemical Engineering > GATE 2012 > Taylor Series

For the function f(t)=e^-t/τ, the Taylor series approximation for t<<τ is

1+t/τ

1-t/τ

1-t²/(2τ²)

1+t

Correct : b

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