Nisaidieni 'intergral of the Squareroot of Sin X with respect to X' Ahsanteni.
Nafikiri unaweza ukatumia Substitution methodNisaidieni 'intergral of the Squareroot of Sin X with respect to X' Ahsanteni.
nimeamin hesabu sio mapishi.dogo fanya hivi,hauwezi ukapata exact answer na ndio maana wakilitoa huwaga wanaweka limits ilimradi utumie simpson au trapezoidal,akikuuliza aproxmat ans bila limit ndo unamkumbuka taylor.
Kumbe ulikua huamini.
S√sinx.dx
Hapa hakuna ujanja zaidi ya kutumia By-Part method.
ie. SVdU=UV-SUdV----eqn(a)
let dU=dx
Integrating both side
=>U=x------eqn(i)
and V=(sinx)^½
differentiating both sides
=>dV=(cosx)/(2√sinx)-------eqn(ii)
Substituting ---eqn(i)&(ii) into --eqn(a)
SVdU=x√sinx - 1/2S(xcosx)dx/(√sinx)
For S(xcosx)dx/(√sinx)
By By-Part tena
SUdV=UV-SVdU
Hapa let
U=x
=>dU=dx
And
dV=(cosx)/(√sinx)
Integrating both sides
=>V=2√sinx (kama hujaelewa hapo basi wewe ni kilaza)
NIMECHOKA KUANDIKA
NATHANI MTAKUA MMEPATA MWANGA
(KAMA HUJUI HESABU KAA KUSHOTO)
Nilikuwa CBG na nilikuwa nakula BAM Ila uwezo wa kupiga Banda la Pure Maths nilikuwa nao Xo jibu mpango mzma tumia taylor serie na jibu ni =x2/4-x4/64+c
Note: x2 is x power 2 and x4 is x power 4
Nafikiri unaweza ukatumia Substitution method
S (sinx) X (SinX) dx (S naitumia kama integral sign) hapo nimeexpand tu sin x squared
halafu fanya substitution z= sinx
z'= cos
dz/dx=cosx
dx= 1/cos dz
Halafu unaweka kwenye sinx = z; S z (sinx)dx
Baada ya hapo substutute dx; S z(sinx)1/sinx dz
sinx na sinx zinajicancel unabakia na S z dz hapo sasa kazi imeisha unaintegrate tu z dz
S z dz=1/2 z(squared) +C halafu unafanya resubstitution yaani pale pa z = sin x
(sinx)squared/2 + C na hilo ndilo jibu lake (kumbuka nimetumia S kama integral sign!)