Page 90 - Math Grade 12 (Advance)

PROEUS DARA

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4. U5Use~seifflts
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t m»~r:i1:3SrtltHH~firuu\n:tHi5 y = tCx) ~b'i:flslrn'li c '1
tf:'iffiuH1L't5f~b~ AB 'fsLrn'li c ftl bl.Hsim~·u
u
15~6'\nm X= a ~b X = b ff11:3H't5J15~u21btLfll1:3

tr:i&crncrtSH [a, b] ctl n 8&MnWli5nthuw P (x, f(x))
0
"" lJ I

~~
~
ff'lw ~y = f(x + ~)- f(x) "'w y
f:,L = P P
0 1

'
P (x ~,i:(x + ~x))
1
~L = ( 1 + (~Y). <~)2 f(x + ~x) ------- -!SL--- - 1 1
P (x,f(x)) I ~y ,
0
f(x)
= (1 + (~Y)- ~x
dL = 1 + (~~r . 0 a X x+~x b X

dx
tr:it:f121't5t~bcr AB lsurn'limb y = f(x) &tlrutsicrtSlg 152'16'\nm X= a Sb
G q ~ 4
2
x = b fL:lrufiMritutllru L = [,j1 +(~~r(dx) = [, J1 +[f'Cx)] dx '1

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