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          E L-LOVELY-H math12-1     IInd  21-10-11     IIIrd  24-1-12     IVth  21-4-12     Vth  20-8-12     VIth 10-9-12






                                                                  fJekJh^12 L nB[ebB L nB[ebB d/ nXkoG{s fB:w

                sK n;hA efjzd/ jK fe    dk fJZe nB[ebB (integral), f (x) j?.                      B'N

                gqsheK dh ;jkfJsk Bkb fJ;B{z j/m nB[;ko fbyd/ jBL


                fuzBQ “  ” nB[ebB dk gqshe j? fi;B{z nB[ebB fuzBQ (sign of integration) efjzd/ jB. fJj
                cbB d/ nB[ebB B{z do;kT[Adk j?. dx ftZu x d[nkok fJj gqrN j[zdk j? fe nB[ebB (integration)
                uo (variable) x d/ ;kg/y ehsk frnk j?. i/eo nB[ebB fe;h j'o uo d/ ;kg/y eoBk j't/, sK x
                d/ ;EkB s/ uo B{z oZy fdzd/ jK.
                ;ze/s    nzrq/Ih nZyo S dk fteqs o{g j?. n;b o{g ftZu nB[ebB :'r dh fJZe ftP/P ftXh j?

                ns/ nzrq/Ih Ppd sum d/ gfjb/ nZyo S d[nkok jh ;ze/s    pfDnk j?.




                 B'N;       fe;h cbB dk nB[ebB (integration) eoB dh ftXh B{z nB[ebB eoBk (integration)
                          efjzd/ jB. fi; cbB dk nB[ebB ehsk iKdk j? T[;B{z nB[ebB (integrand) efjzd/
                          jB ns/ nB[ebB d[nkok gqkgs cbB B{z nB[ebB (integral) efjzd/ jB.

                                               ftZu      nB[ebB ns/      nB[ebB j?.

                T[go'es toDB s'A ;gPN j? fe








                ns/

                                                   x
                fJ; soQK T[go'es cbBK ftZu cos x, sin x, e  ns/   nB[ebB (integrand) jB ns/ sin x, –cos
                   x
                x, e  ns/ log t nB[ebB (integrals) jB.
                fe;h cbB T[Zs/ eqw nB[;ko nB[ebB ns/ fBy/VB d'B'A fefonktK ehshnK ikD sK cbB nkgDh
                n;b jkbs ftZu ofjzdk j?.


                T[dkjoD ti',


                Gkt,                            H

                fJ; s'A ;gPN j[zdk j? fe fBy/VB ns/ nB[bB gqfsb'w fefonktK jB.





                                           LOVELY PROFESSIONAL UNIVERSITY                                               183
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