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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 399 Weeks Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
(b) A rod, 30 cm long has its ends A and B kept at 20°C and 80°C
respectively, until steady state conditions prevail. The temperature at
each end is then suddenly reduced to 0°C and kept so. Find the resulting
temperature function u(x, t) taking x = 0 at A. (16)
14. (a) (i) Find the inverse Z-transform of 10z . (8)
z2 - 3z + 2
(ii) Solve the equation un +2 + 6un +1 + 9un = 2n given u0 = u1 = 0 . (8)
Or
(b) (i) Using convolution theorem, find the Z -1 of z2
. (8) (z - 4)(z - 3)
(ii) Find the inverse Z-transform of z3 - 20z . (8) (z - 2)
3
(z - 4)
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