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VED1
E\L-LOVELY-H\math20-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 VIth 10-9-12 VIIth 11-5-13
vFkZ'kkfL=k;ksa dk xf.kr
uksV 20-2 lkjka'k
• ;qxir lehdj.kksa dk gy lkjf.kd }kjk vklkuh ls fuEu izdkj fudkyk tk ldrk gSµ
igys ge nks pjksa osQ ;qxir lehdj.kksa dks gy djsaxsµ
0 ,
0 ,
a b
pjksa ( vkSj ) osQ xq.kkadksa dk lkjf.kd 1 1 gSa] dk eku fudkyus osQ fy, xq.kkadksa osQ
a 2 b 2
lkjf.kd osQ xq.kkadksa osQ LrEHk osQ LFkku ij vpjksa dk LrEHk fy[k nsrs gSaA
20-3 'kCndks'k ! "
• ;qxir "
% lkFk&lkFkA
20-4 vH;kl&iz'u # " $
1- fuEufyf[kr lehdj.kksa dks gy djsaµ
! $ 0 , 1 ! 2' (
!! 2 ! 0 $* , G
! 2 $ 0 '* , 2$
$ ' 0 * , (mÙkj% ! , - , ! !! , - , - * , !)
2- fl¼ dhft, fd
ab 2a 2a
−− c
−− a
2b b c 2b = a + b + . c
−
2c 2c − c a b
3- lkjf.kd dk iz;ksx djosQ fuEu lehdj.k dks gy djsaµ
! 0 $ , '
7 3
! 2 $ , (mÙkj% , - , )
6 8
mÙkj % Lo&ewY;kadu
1
1- lkjf.kd a b 1 1 ! ifjorZ
a b 2 2