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hartnn Group TitleBest ResponseYou've already chosen the best response.0
draw it out again
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
dw:1349517106533:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
u need to evaluate that ? its w.r.t du , right ? which topic does this question belong ?
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
i need to solve this by using convollution theorem
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
it is a laplace transform
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
Laplace or Fourier ? F = Fourier generally
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
we r following th e book laplace transform by spiegel
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
and the topic is alpplications to differential equations by using inverse laplace
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
anyone got my answr
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
\(\large \frac{s}{5}\frac{5}{(s^2+9)(s^2+4)}= \quad \frac{s}{5}\frac{(s^2+9)(s^2+4)}{(s^2+9)(s^2+4)}\) now just separate denominator. got it ?
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
dw:1349520425747:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
don't include s. lets just do partial fraction for 1/(s^2+4)(s^2+9) after that we multiply s to both terms
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
dw:1349520610397:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
what vales of A and b u got ?
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
A=1/85 and B=1/25
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
how ! 1= A (s^2+4) + B (s^2+9) put s^2 = 9 1= A (9+4) 1= A (5) A = 1/5 got this ?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
similarly find B
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
thats correct. so now u got where that 1/5 came from ?
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
u r very helpfull
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
thanks a lot man!
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
welcome ^_^
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
dw:1349522140539:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
thats just separation of variables, which step did u not get ?
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
(s^2+4)dy/ds+sy=0....how did the minus sign cancel out?
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
dw:1349522675157:dw
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
dw:1349522813018:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
u r rite, even i don't see, how they got that + maybe printing mistake in book.....
 one year ago

nijhu Group TitleBest ResponseYou've already chosen the best response.0
my sir showed us a similar problem where the condition Y(0)=1,Y(pie)=0 and Y'(0)=c
 one year ago
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