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Q7. The indicial equation for x²y" - 3xy' + (4-x²) y = 0 is (a) r²- 2r + 4 = 0 (b) (r - 2)² = 0 (d) r² + 2r + 4 = 0 (e) None of the above (c) (r + 2)² = 0

Q7. The indicial equation for x²y" - 3xy' + (4-x²) y = 0 is (a) r²- 2r + 4 = 0 (b) (r - 2)² = 0 (d) r² + 2r + 4 = 0 (e) None of the above (c) (r + 2)² = 0

Advanced Engineering Mathematics
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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differential equation, please solve question 7

Q7. The indicial equation for x²y" - 3xy' + (4-x²) y = 0 is (a) r²- 2r + 4 = 0 (b) (r-2)² = 0 (d) r² + 2r + 4 = 0 (e) None of the above Q8. If f(t) = 2u(t-1)- (a) 4 (b) 1 (c) co Q9. For s> 0, f the-st dt = 5! (a) 5/5 (b) 3u(t-4) + 8(t-1) + 2, then ƒ(2) = (d) -1 ((e) None of the above 5 4! (c) +1/+1 (d) (c) (r + 2)² = 0 4! (e) None of the
Transcribed Image Text:Q7. The indicial equation for x²y" - 3xy' + (4-x²) y = 0 is (a) r²- 2r + 4 = 0 (b) (r-2)² = 0 (d) r² + 2r + 4 = 0 (e) None of the above Q8. If f(t) = 2u(t-1)- (a) 4 (b) 1 (c) co Q9. For s> 0, f the-st dt = 5! (a) 5/5 (b) 3u(t-4) + 8(t-1) + 2, then ƒ(2) = (d) -1 ((e) None of the above 5 4! (c) +1/+1 (d) (c) (r + 2)² = 0 4! (e) None of the
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