Page 26 - DECO403_MATHEMATICS_FOR_ECONOMISTS_HINDI

VED1
E\L-LOVELY-H\math1-2 IInd 21-10-11 IIIrd 8-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

vFkZ'kkfL=k;ksa dk xf.kr

uksV gy % bl iQyu dks flxue 0 *
, iQyu dgrs gSaA bls fuEu izdkj ls ifjHkkf"kr dj ldrs gSaµ
 1, x > 0

:  0, x = 0
−  1, x < 0

| x|
iQyu : dh lkj.kh
x

bl lkj.kh dk ys[kkfp=k ik'oZ fp=k }kjk iznf'kZr gSA

Y
4
3
2
1

X –4 –3 –2 –1 O 1 2 3 4 X
–1

–2
–3
–4
Y

mnkgj.k 5- oØ
dk ys[kkfp=k [khafp,A
gy % ;gk¡ ij ;fn Í.k gS rks dk eku vf/dfYir Y
(3, 5.2)
, *
( gSA vr% ge osQoy osQ /u eku gh
ysaxsA
(2, 2.8)

dh lkj.kh
(1, 1)

X O X
(1, –1)

(2, –2.8)
bl lkj.kh dk ys[kkfp=k ik'oZ fp=k }kjk iznf'kZr gSA

(3, –5.2)
Y