1. The form of the partial fractions expansion of the rational function (z²+9+45) (x-4)², where A, B, C, D are contants, is: OA. OB. O C. Ax+B Cr+D + (x²-4) x²+9x+45 + + B Cx+D (x-4)²2 x²+9x+45 Cx+D B + (x+2) x²+9x+45 Ca+D x²+9x+45 x-4 A (x-2) Ax+B (x-4)² OE. None of these + +

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. The form of the partial fractions expansion of the rational function (x²+9z+45) (x-4)², where A, B, C, D are contants, is:
OA.
OB.
O C.
Ax+B
Cr+D
+
(x²-4) x²+9x+45
B
Cx+D
(x-4)² x²+9x+45
B
Cx+D
+
(x+2) x²+9x+45
+
+
+
Ca+D
+
x²+9x+45
x-4
A
(x-2)
Ax+B
(x-4)²
OE. None of these
Transcribed Image Text:1. The form of the partial fractions expansion of the rational function (x²+9z+45) (x-4)², where A, B, C, D are contants, is: OA. OB. O C. Ax+B Cr+D + (x²-4) x²+9x+45 B Cx+D (x-4)² x²+9x+45 B Cx+D + (x+2) x²+9x+45 + + + Ca+D + x²+9x+45 x-4 A (x-2) Ax+B (x-4)² OE. None of these
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