Page 82 - Math Grade 12 (Advance)

PROEUS DARA

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A = n[f(x)] V = n[f(x)] Ax

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y Y = f(x) y
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V = n[f(x;)J Ax
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V"' n[f(x ) ] · Ax+ n[f(x ) ] · Ax+ ... + n[f(xn) ] · Ax
1 2
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u u 1iJ· n u
n
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I.n[f(xk)] . Ax ~6'itg"J~ncr~sfio.ns4 v ~ru&t:irnr:h'i:fl~t~HiJrtln '¥
k=l
n
2
V = ~~= L n[f(xk) ] · Ax
11
k =I

2 2
lim ~ n[f(xk)] ·Ax = nJ"a[f(x)] dx '1
n~+= ..t'...t
k=l