Question

IRA#2_4. Given a signal $x(t) = -2e^{-2t}$, which of the following is $x(t)\delta(t)$? a) 1 b) $e^t$ c) $2\delta(t)$ d) $-2\delta(t)$ e) None of the above

          IRA#2_4. Given a signal $x(t) = -2e^{-2t}$, which of the following is $x(t)\delta(t)$?
a) 1
b) $e^t$
c) $2\delta(t)$
d) $-2\delta(t)$
e) None of the above

IRA#24. Given a signal x(t) = -2e^-2t, which of the following is x(t)δ(t)?
a) 1
b) e^t
c) 2δ(t)
d) -2δ(t)
e) None of the above

Added by Bethany N.

A Complete Resource Book in Physics for JEE Main

Sanjeev Kumar 1st Edition

Chapter 2

Instant Answer

Solved by Expert Prabhat Tyagi

Step 1

The derivative of -2e^(-2t) with respect to t is 2e^(-2t). Option a) e^t does not match the derivative of x(t), so it is not the correct answer. Option b) 2(t) does not match the derivative of x(t), so it is not the correct answer. Option c) -2(t) does not Show more…

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