L4.4 - DTFT of unit step signal u[n]

[@vrindagehlot9596]

Good sir keep it up

[@BetterCallHardik]

but then why dont we write this pi del term while writing for alpha^n u[n]

[@divyanshusrivastava5404]

thankyou sir.

[@abhisheksingh4423]

Thanks sir

[@wei-x7k11]

But actually x[n]=1 is also finite

[@wei-x7k11]

δ[n] and u[n] are special functions in dtft