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

nijhu Group TitleBest ResponseYou've already chosen the best response.0
dw:1349517106533:dw
 2 years 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 ?
 2 years ago

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

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

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

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

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

nijhu Group TitleBest ResponseYou've already chosen the best response.0
anyone got my answr
 2 years 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 ?
 2 years ago

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

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

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

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

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

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

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

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

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

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

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

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