)without actually obbinig thex roots, show that x6-Sx -7x²+8x+20=0 roots a) x° +3 xt=6 buth possess imagirary

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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ういthout actually outainla フ+8x20=0
these roots, show that
a)
xo +3 xt0
x6-Sx²-7x?+8x+20=0
imaginary
buth
possess
roots
Transcribed Image Text:ういthout actually outainla フ+8x20=0 these roots, show that a) xo +3 xt0 x6-Sx²-7x?+8x+20=0 imaginary buth possess roots
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