Question

求f(t)=t^2+6t-3的拉氏变换

Answer 1

f(t)-----------F(s)

1(t)----------1/s

t--------------1/s^2

(1/2)t^2------1/s^3

f(t)=t^2+6t-3---------F(s)=2/s^3+6/s^2-3/s