The Z-transform of the following function f[k] =2+(-5)*(-4)* is so the constants A and B are......... O a. None of them O b. 4, 2 O C. -2,4 O d. 1,2 O e. -1,3 Z(A+BZ²) (Z-2)(2+4)(2+5)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The Z-transform of the following function f[k] =
so the constants A and B are.........
O a. None of them
O b. 4, 2
O C. -2,4
O d. 1, 2
1=22*+/-(-5)* 3 (-4)* is
e. -1,3
Z(A+BZ²)
(Z-2)(Z+4)(Z+5)
Transcribed Image Text:The Z-transform of the following function f[k] = so the constants A and B are......... O a. None of them O b. 4, 2 O C. -2,4 O d. 1, 2 1=22*+/-(-5)* 3 (-4)* is e. -1,3 Z(A+BZ²) (Z-2)(Z+4)(Z+5)
Expert Solution
Step 1

Given: The Z-transformation of the function fk=942·2k+517·-5k-336-4k is zA+Bz2z-2z+4z+5

To find: The correct option for the value of and B.

The given options are:

(a) None of them

(b) 4, 2

(c) -2, 4

(d) 1, 2

(e) -1, 3

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