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AllanaMaciel
Group Title
I need a help. Resolve the questions:
a. (x^2 – y^2) dx + 2xydy = 0
b. y’ + (1/x)y = ex^2
c. y’’ + 2y’ + 2y = 0
d. y’’ – 3y’ + 2y = sen x
e. (By Laplace transform)
y’’ – y = 0, y(0) = 1, y’(0) = 1
f. { x’ = y
{y’ = 2x +3y
g. (by power series) y’ = y
Usar a derivação termo a termo das séries
2. show that the series converges
∑ =1/n^2 when n=1
and tends to infinity
converge
 one year ago
 one year ago
AllanaMaciel Group Title
I need a help. Resolve the questions: a. (x^2 – y^2) dx + 2xydy = 0 b. y’ + (1/x)y = ex^2 c. y’’ + 2y’ + 2y = 0 d. y’’ – 3y’ + 2y = sen x e. (By Laplace transform) y’’ – y = 0, y(0) = 1, y’(0) = 1 f. { x’ = y {y’ = 2x +3y g. (by power series) y’ = y Usar a derivação termo a termo das séries 2. show that the series converges ∑ =1/n^2 when n=1 and tends to infinity converge
 one year ago
 one year ago

This Question is Closed

AllanaMaciel Group TitleBest ResponseYou've already chosen the best response.0
\[\sum_{n=1}^{\infty} = 1/n^2\] converges
 one year ago
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