Difference between revisions of "Math 5 (9.10)"
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Why, in the proof for solving diff. equations with repeated roots, can we assume that the product of f(t) with e^(r1t) is a solution? | Why, in the proof for solving diff. equations with repeated roots, can we assume that the product of f(t) with e^(r1t) is a solution? | ||
| + | -Deanna (I don't know this answer yet.............) | ||
Revision as of 12:35, 17 September 2010
September test
Solve y(4)-3y(3)+5y(2)-4y'+4y=0
y=(e^2x)(ax^3+bx^2+cx+d)+fcos(x)+gsin(x)
Solve y(2)-5y(1)+6 y = c1e^-3+c2e^-2
Why, in the proof for solving diff. equations with repeated roots, can we assume that the product of f(t) with e^(r1t) is a solution? -Deanna (I don't know this answer yet.............)
