random Flashcards

1
Q

a^x

A

a^x/lna

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2
Q

∫1/(x2 - a2) dx

A

1/2a log|(x - a)(x + a| + C

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3
Q

1/(a2 - x2) dx

A

1/2a log|(a + x)(a - x)| + C

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4
Q

∫1/(x2 + a2) dx

A

= 1/a tan-1x/a + C

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5
Q

∫1/√(x2 - a2)dx

A

= log |x +√(x2 - a2)| + C

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6
Q

∫ √(x2 - a2) dx

A

= x/2 √(x2 - a2) -a2/2 log |x + √(x2 - a2)| + C

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7
Q

∫1/√(a2 - x2) dx

A

= sin-1 x/a + C

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8
Q

∫√(a2 - x2) dx

A

= x/2 √(a2 - x2) dx + a2/2 sin-1 x/a + C

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9
Q

∫1/√(x2 + a2 ) dx

A

= log |x + √(x2 + a2)| + C

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10
Q

∫ √(x2 + a2 ) dx

A

= x/2 √(x2 + a2 )+ a2/2 log |x + √(x2 + a2)|

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