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Signal and systems miscellaneous
  1. The value of p(2 < x < 3) in
    fx(x) =
    a(x – 1); 1 ≤ x ≤ 4
    0; otherwise
    1. 1
      2
    2. 1
      4
    3. 1
      3
    4. 1
      5
Correct Option: C

P(2 < x < 3) = 3a(x – 1)dx
2

= 3
2
· (x – 1)dx
29

=
2
x2
– x3
922

=
1
3


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