JEE Advanced 2020 Full Test 7 Paper 1

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Question : 39 of 54

Marks: +1, -0

If ∫‌

tan‌x

1+tan‌x+tan2x

dx=x−‌

K

√A

tan−1(‌

K‌tan‌x+1

√A

)+C‌‌(c is constant of integration). Then the ordered pair (K,A) is equal to

(2,3)
(3,2)
(-2,1)
(-2,3)

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