Page 126 - Grade 10 C.Math

6. olb a = .y , b = .y / c = . y eP k|dfl0ft ug'{xf];\ M
a . b .c = 1
7. olb 2abc = 1 / a + b + c = 1 eP k|dfl0ft ug'{xf];\ M

. . =
Curriculum Development Centre
8. k|Zg 1, 2 / 3 df lbOP h:t} k|To]ssf cGo 5 cf]6f k|Zgx¿ lgdf{0f u/L tL
'{
k|Zgx¿sf] ;dfwfg sIffsf]7fdf k|:t't ugxf];\ .

10.2 3ftfª\s o'St ;dLs/0f (Exponential Equation)
'{
lgDg lnlvt k|Zgx¿df 5nkmn ugxf];\ M

2 = 32 df x sf] dfg slt x'Fbf of] ;dLs/0f ;To x'G5 xf]nf <

= 1, 2, 3, 4, 5, −1, −2, −3, nfO 2 df k|lt:yfkg ubf{ s] s:tf ;ª\Vofx¿ k|fKt
{
x
\
x'G5g <
4 = 64 df x sf] dfg s;/L kTtf nufpg ;lsG5 xf]nf <
]
\
]
s] = 4 3ftfªs o'St ;dLs/0f xf] < xf] eg lsg / xf]Og eg lsg <

\

s] = 2 df a =2 eP 3ftfªs o'St ;dLs/0f xn ePsf] dflgG5 xf]nf <
\
3ftfªs ;DaGwL lgDg lnlvt s'/fx¿ xfdLn] sIff ( df cWoog ul/;s]sf 5f}F M
x
'
1. a = A df x sf] dfg slt x'Fbf ;dLs/0f ;Gt'ng x'G5 egL kTtf nufpg g}
o; :j¿ksf] ;dLs/0fsf] xn ug'{ xf], hxfF A Ps cr/ /fzL xf] .
\
2. ;dLs/0fsf] b'j}lt/sf cfwf/x¿ a/fa/ ePdf 3ftfªsx¿ klg a/fa/ x'gk5{,
'
4
}
x
h:t M 3 = 3 df x = 4 x'G5 .
\
3. a/fa/ lrxgsf Psfk6\l6 /x]sf b'O kbLo cleJo~hsnfO{ ;/n u/L Pp6} cfwf/
{
agfpg ;lsG5 .

h:t} M 3 + 3 = 12 df 3 × 3 + 3 = 12

cyjf, 3 (3 + 1) = 12

cyjf, 3 = 3
cyjf, = 1
'
]
ca xfdL ju{ ;dLs/0fsf ¿kdf cfpg 3ftfªs oSt ;dLs/0fsf af/]df cWoog ug]{
\
\
5f}F . oL ;dLs/0fx¿n] ju{ ;dLs/0fsf u'0fx¿nfO{ ;Gt'i6 u5{g . tn lbPsf pbfx/0f
cWoog u/f}F M
ul0ft, sIff – 10 123