Page 84 - Math Grade 12 (Advance)

PROEUS DARA

y
r

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2 2 2 "
y = r --x ,

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f r , ,
[ 2
= n: -r (r~ x'')dx = 1t r X 3x·' -r
2 I 3 2 I 3) 4 3
= n: r - r- r + r · r -- r = nr
( 3 3 3

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2. !=1M Sl1ll~ ts nHlinti1 ~&lAM rims naB rnd, mnnHflthdhltS tG t!:i rn2 M
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u
:unuun.fl : !=1MSl1:fl~ 'fs Nrnn'li1 ~nfin.nrims ?laB rnd1 mnn'imth6Nts 'to &!:i rn
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u

y y y
y = JX y = -h y=x 2
, =X 2

0 0 0
x' X X X X
x'

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y' y' y'

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