If s=e^(t) (sin t - cos t) is the equati...

If `s=e^(t)` (sin t - cos t) is the equation of motion of a moving particle, then acceleration at time t is given by

`2 e^(t)` (cos t+sint)

`2 e^(t)` (cos t-sint)

`e^(t)` (cos t-sint)

`e^(t)` (cos t+sint)

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