'8 5 For the matrix A = (2 5 4 \4 4 9. cofactor C23? A. - 7 В. 12 С. — 12 D. 7

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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'8 5 0
For the matrix A = 2 5 4
cofactor C23?
4 4 9.
А.
- 7
В. 12
C.
- 12
D. 7
Transcribed Image Text:'8 5 0 For the matrix A = 2 5 4 cofactor C23? 4 4 9. А. - 7 В. 12 C. - 12 D. 7
If the 8th term in an arithmetic series is 39 and the 20th term – 33.
What is the common difference?
A. - 6
В. 8
С. 5
D. – 12
Soloct ono:
Transcribed Image Text:If the 8th term in an arithmetic series is 39 and the 20th term – 33. What is the common difference? A. - 6 В. 8 С. 5 D. – 12 Soloct ono:
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