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fJekJh^1 L cbB
i/eo n;hA fBwBfbys sZEK dk nB[o/yD eohJ/ sK B'N
(i) id'A x =± , 0 ay =
3
(ii) x > a , nzfenk wzfBnk fe a = b =
T[d'A y =± (x − 9)
2
(iii) i/eo x < 2 j't/ sK y dk wkB ekbgfBe j't/rk, gozs{ x d/ d{i/ w{bK d/ bJh y
d/ fBwBfbys w{b eZY/ ik ;ed/ jB^
x dk w[Zb y dk w[Zb
O 2 iK ^2 0 iK 0
O 3 iK ^3 + 5 iK − 5
O 4 iK ^4 + 12 iK − 12
i/eo w{b fpzd{ (0, 0) nfsgobt dk e/Ado j? sK
nfsgotb teo j/m nB[;ko j't/rk^
i/eo e/Ado^fpzd{ (h, k) j? sK nfsgobt teo dk
;wheoD j/m nB[;ko j't/rk^
;XkoD s"o s/ nfsgobt cbB B{z xy = a d[nkok
do;kT[Ad/ jB id'A fe a > 0 j[zdk j?.
(J) bx[rDe cbB (Logarithmic Function) L id'A y, x dk cbB Bk j' e/ log x dk cbB j't/ sK
T[; cbB B{z bx[rDe cbB fejk iKdk j?. bx[rDe cbB dk ;XkoD ;wheoD j/m nB[;ko j[zdk
j?^
y = α + β log x
fJZE/ α & 0 ns/ β & 1 j't/ sK fJj ;wheoD y = log x wkso j' ikt/rk.
wzfBnk fe bx[rDe ;wheoD y = 5 + 5 log 10 x j't/ (fJZE/ n;hA α & 5, β & 5 wzfBnk j?)
sK
fJ; dk teo o/ykfuZso (i) d/ nZr/ nB[;ko j't/rk^
fXnkB d/D :'r rZb fJj j? fe fJ; ;wheoD ftZu x dk wkB 0 iK foDkswe BjhA j' ;edh j?
feT[Afe fJjBK dk bx[De BjhA j[zdk j?. pj[Xk log dk nXko e fbnk iKdk j?.
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