B) 3 x2 2 xy ; C) x2 2 y ; D) ( x2 2 y)(3 x2 2 xy) .
[1;3] oraliqda f (x) ln x funksiyaga Lagranj formulasini qo’llab mos ning qiymatini aniqlang.
A) 1,5
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B)
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3
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;
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C)*
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2
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;
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D) 2 ln 3.
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ln 3
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ln 3
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37. [1;2] oraliqda f (x) x2
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2x funksiyaga uchun
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Lagranj formulasini qo’llab mos
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qiymatini aniqlang.
A) 1,2
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B) 1,3
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C) 1,4
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D)* 1,5 .
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38.
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;
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oraliqda f (x) cos x va g(x) sin x funksiyalarga Koshi formulasini
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6
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3
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qo’llab mos ning qiymatini aniqlang.
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A)
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B)
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C)
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D)*
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.
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2
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5
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4
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[1;2] oraliqda f (x) x3 va g(x) x2 funksiyalarga Koshi formulasini qo’llab mos ning qiymatini aniqlang.
A)* 1
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5
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B) 1
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2
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C) 1
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1
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D) 1
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3
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9
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3
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2
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4
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