Page 4 - Grade 10 C.Math
P. 4

PsfO 1
                                                                     ;d"x (Sets)





                        1.0. k'g/fjnf]sg (Review)
                       Curriculum Development Centre
                        tn lbOPsf ljifo j:t'x¿ ;d"xdf 5nkmn ug'{xf];\ M

                        -s_  ;d"xsf] kl/efiff / k|sf/x¿
                        -v_  ;d"xx¿sf] ;+of]hg tyf k|ltR5]bg

                        -u_  ;d"xsf] k"/s tyf ;d"xx¿sf] km/s
                        -3_  e]glrq

                        -ª_  ;d"xsf] u0fgfTdstf
                        ;a} ;d"xx¿sf] lgisif{nfO{ kfn}kfnf] sIffsf]7fdf k|:t't ug'{xf];\ .

                        dflysf ljifo j:t'x¿sf af/]df xfdLn] cluNnf sIffx¿df cWoog ul/;s]sf 5f}F . ca xfdL
                        e]glrqsf] k|of]u u/L ;d"x ;DaGwL zflAbs ;d:ofx¿sf] ;dfwfg s;/L ug]{ eGg] af/] cWoog
                        ub{5f}F .

                        1.1  b'O{ cf]6f ;d"xx¿ ;lDdlnt zflAbs ;d:ofx¿
                            (Problems Including Two Sets)

                        tn lbOPsf b'O{ cf]6f e]glrqx¿sf] cjnf]sg ug'{xf];\ / ljleGg efux¿sf] l6kf]6 ug'{xf];\ M

                                            A        B     U               A      B     U

                                           3 6         7                  1   2
                                           9 12        14                 3   4     7
                                           15          21                           8
                                                       28                 5



                                             lrq -s_                         lrq -v_

                        dflysf] lrq -s_ df ;j{Jofks ;d"x U sf pk;d"xx¿ A / B cfk;df cnlUuPsf ;d"xx¿
                        x'g\ . ;d"x A  B df /xg] ;b:ox¿sf] ;ª\Vof ;d"\\\x A / ;d"x B sf ;b:ox¿sf] ;ª\Vofsf]
                        of]ukmn;Fu a/fa/ x'G5 . t;y{ n(A  B) = n (A) + n(B) x'G5 .

                        To;} u/L e]glrq -v_ df A / B cfk;df vlK6Psf ;d"xx¿ x'g\, hxfF n(A B) / n(A) + n(B)
                        sf] dfg a/fa/ x'Fb}g, lsg <




                       1                                                                  ul0ft, sIff – 10
   1   2   3   4   5   6   7   8   9