.

8. Find and sketch c(t) = f(t) f(t) for the signals

5, (1)

Ans. (a)

(t) = dr

-1.the.

- p

c(t) =

1

12+1

= 3

dr = 1+4

1₁ (1)

01

t> -1

r(t) = 0 15-4

-1212-4

(b)

0

12 (1)

1

+6

0

½/₂2 (1)

(it)