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int (1)/(2) sec^(2)x dx is +c ....

` int (1)/(2) sec^(2)x ` dx is _______ +c .

A

`(1)/(2) tan x `

B

`tan x `

C

`2 tan x `

D

none of these

Text Solution

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The correct Answer is:
A, B
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Knowledge Check

  • int_(1)^(2)x^(2)dx is equal to

    A
    1
    B
    `7/3`
    C
    `1/3`
    D
    0

  • int (e^(x))/(( 1 + e^(x))^(2)) dx = _______ + c

    A
    `(1)/( 1 + e^(x))`
    B
    `-(1)/( 1+ e^(x))`
    C
    `1 + e^(x)`
    D
    ` (( 1 + e^(x))^(3))/(3)`

  • int 3^(x + 2 ) dx = __________+ c

    A
    `(3^(x))/( log 3 )`
    B
    `9((3^(x))/(log 3 ))`
    C
    `(3^(x))/( 9 log 3 ) `
    D
    ` 3^(x) * 9 `

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