Page 5 - Grade 10 C.Math
P. 5

To; sf/0f n(A  B) = n(A) + n(B) - n(A  B) n]lvG5 .
                  dflysf b'O{ e]glrqx¿df lgDgfg';f/sf ;DaGwx¿ n]Vg ;lsG5 M

                                                  "
                  (i) n(A  B)  = n(A) + n(B) -cnlUuPsf ;dxdf_  (ii) n(A  B) = n(A) + n(B) - n(A  B)  -vlK6Psf ;dxdf_
                                                                                              "
                  (ii) n (A) = n(A) – n(A  B)                  (iv) n(A  B) = n (A) + n (B) + n(A  B)
                      0                                                  0      0
                       Curriculum Development Centre
                  (v) n(U)    = n (A  B) + n(A  B)
                            = n(A) + n(B) – n(A  B) + n(A  B)

                  pbfx/0f 1

                  ;Fu}sf] e]glrq cWoog u/L tn lbOPsf ;d"xsf] u0fgfTdstf kTtf nufpg'xf];\ M
                  (i) n(A)    (ii) n(B)   (iii) n(A  B)
                                                                         A        B      U
                  (iv) n (A)  (v) n(A  B)                                         c
                      0
                  ;dfwfg                                                a     m    o
                                                                        h      e   p
                  ;Fu}sf] e]glrqsf] cjnf]sg ubf{,                       s      t   u

                  (i) A = {m, e, t, a, h, s, y}                         y          r  d  f  k

                      t;y{, n(A) = 7
                  (ii) B = {m, e, t, c, o, p, u r}
                       n(B) = 8

                  (iii) A  B = {m, e, t}
                       n (A  B) = 3

                  (iv)  A df dfq kg]{ ;b:ox¿sf] ;d"x = {a, h, s, y}

                       n (A) = 4
                          0
                  (v)  A  B = A  B df gkg]{ ;b:ox¿sf] ;d"x = {d, f, k}

                      n(A  B) = 3

                  pbfx/0f 2

                  ef/tL ejg pRr df=lj=sf sIff 10 sf 52 hgf ljb\ofyL{x¿df ul/Psf] Ps ;j]{If0fdf 28
                  hgfn] lj|ms]6 v]Ng, 24 hgfn] k'm6an v]Ng / 18 hgfn] b'j} v]n v]Ng dg k/fpFbf /x]5g\ . t/
                  6 hgfn] oL b'j} v]n v]Ng dg k/fpFb}gg\ eg],

                  -s_ dflysf] tYonfO{ e]glrqdf k|:t't ug'{xf];\ .

                  -v_  Pp6f dfq v]n v]Ng dg k/fpg] ljb\ofyL{ ;ª\Vof kTtf nufpg'xf];\ .

                 2                                                                    ul0ft, sIff – 10
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