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40. Solve for x in the equation x4 +81-0. Leave your results in polar form. What is one of the answers? A. 3 (cos
40. Solve for x in the equation x4 +81-0. Leave your results in polar form. What is one of the answers? A. 3 (cos 315 + i sin 315) B. 3 (cos 292 30' + i sin 292 30') C. 3 (cos 337 30' + i sin 337 30') D. 3 (cos 270 + i sin 270)
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
6th Edition
978-0471858249, 0471858242
