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int tanx/(tan^2x+tanx+1) dx = x - k/sqrt...

`int tanx/(tan^2x+tanx+1) dx = x - k/sqrtA tan^(-1) ((ktanx +1)/sqrtA) + C`, then the ordered pir of `(K,A)` is equal to : (A) `(2,1)` (B) `(-2,3)` (C) `(2,3)` (D) `(-2,1)`

Answer

Step by step text solution for int tanx/(tan^2x+tanx+1) dx = x - k/sqrtA tan^(-1) ((ktanx +1)/sqrtA) + C, then the ordered pir of (K,A) is equal to : (A) (2,1) (B) (-2,3) (C) (2,3) (D) (-2,1) by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

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Knowledge Check

  • If inttanx/(1+tanx+tan^(2)x)dx =x-2/sqrt(A)tan^(-1)((2tanx+1)/sqrt(A))+c , then A=

    A
    2
    B
    3
    C
    4
    D
    5

  • int (tanx)/(1+tan^(2)x)dx=

    A
    `(1)/(2)cos 2x+c`
    B
    `-(1)/(2)cos 2x+c`
    C
    `(1)/(4)cos 2x+c`
    D
    `-(1)/(4)cos 2x+c`

  • int (1-tanx)/(1+tan x)dx=

    A
    `log |cosx-sin x|+c`
    B
    `log |cosx+sin x|+c`
    C
    `-log |(cosx)|+c`
    D
    none

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