d xsin tdt ? dx 02
A)
2sin x ;
B)
2cos x
;
C)
cos2 x
;
D)*2 sin 2 x .
3x
3
f (t)dt 7 bo’lsa, f (x t)dt ?
2x
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2
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A) *7
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B) 7
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C) 0
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D) 2.
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122. 2
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f (3x 2) f (3x 2)dx ?
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1
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A) 1
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B)* 3
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C)
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3
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D) 4.
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4
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1
a dxx ln 2 bo’lsa, a ?2
A) 1
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B)
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1
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C) *
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1
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D)
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2
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.
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2
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4
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3
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a (x3 x)dx 2, a 0 bo’lsa, a ?
125. 4 16 x2 dx a bo’lsa, a ?
0
126.
f (x)
4 x3
6x
1
va
f (1) 0
bo’lsa,
f (1)
?
A)
2
B)
1
C)
0
D)*
2 .
3 f 2 (x) f (x)dx ?
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0
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A)
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2
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B)
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4
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C)
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11
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D)*
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8
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.
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3
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3
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3
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3
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128. 2
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f (x)dx
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?
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3
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0
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f (x)
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A)
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7
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B)
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7
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C)
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7
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D) *
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3
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.
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5
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12
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14
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8
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