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VED1
E L-LOVELY-H math21-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

fJekJh^21 L ;kofDe L gqeko ns/ r[D^Xow

T[dkjoD 13H f;ZX eo' fe^ B'N

jZb L R 1 – (R 2 + R 3 ) Bkb, fdZsk j'fJnk ;kofDe

;t?^w[bKeD (Self Assessment)

fBwBfbys eEBK ftZu ;Zu iK M{m dh gfjukD eo'
(State whether the following statements are True or False) –

6H T[g;kofDe ns/ ;fj^yzv ftZu e/tb fuzBQ dk nzso j[zdk j? id'A fe d'jK d/ wkB pokpo
j[zd/ jB.
7H i/eo fe;h ;kofDe dhnK gzeshnK ns/ ;ko/ ;szGK B{z nkg; ftZu pdb fdZsk ikt/, sK
;kofDe d/ wkB ftZu gfotosB j' iKdk j?.
8H i/eo ;kofDe ftZu d' brksko iK B/VbhnK gzeshnK iK ;szGK B{z go;go pdb fdZsk
ikt/, sK ;kofDe dk ;zfynkswe wkB T[jh ofjzdk j?, gozs{ fuzBQ pdb iKdk j?.
9H i/eo ;kofDe dh fe;h fJZe jh gzesh iK ;szG B{z fe;h okPh Bkb r[Dk eod/ jB sK g{o/
;kofDe B{z T[; okPh Bkb r[Dk eoBk ukjhdk j?.
10H d' ;kofDeK dk r[DBcb e/tb T[;h dPk ftZu gsk ehsk iKdk j? id'A T[j d'B'A ;wkB e'Nh
d/ j'D, BjhA sK BjhA.

21H8 ;koKP (Summary)

• :[rws ;wheoDK B{z jZb eoBk pj[s w[Pfeb j[zdk j? feT[Afe fJBQK ;wheoDK ftZu fizB/
uoK dh ;zfynk j[zdh j? T[B/ jh ;wheoD j[zd/ jB. fJBQK ;wheoDK d/ n;kB jZb d/ bJh
phirfDs ftZu ftP/P ftXh dk gq:'r ehsk iKdk j?, fi;B{z ;kofDe (Determinant) efjzd/
jB.
• ftnzie (a 1 b 2 – a 2 b 1 ) B{z fJ; ;kofDe dk gq;ko (Expansion) iK wkB (Value) efjzd/
jB.
• fe;h ;kofDe ftZu, T[Zgo s'A fBZu/ tZb fyfsi o/yktK T[;dh eqw nB[;ko gfjbh, d{ih,
fsZih gzeshnK (Rows) ejkT[AdhnK jB fiBQK B{z eqw nB[;ko R 1 , R 2 , R 3 ,....d[nkok ftnes
eod/ jB ns/ yZp/ s'A ;Zi/ gk;/ T[oXtkXo o/yktK T[;d/ eqw nB[;ko gfjb/, d{i/
fsZi/HHHHH;szG (Columns) ejkT[Ad/ jB fiBQK B{z eqw nB[;ko C 1 , C 2 , C 3 ....d[nkok ftnes
eod/ jB.

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