TS EAMCET 20-July-2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 75 of 160

Marks: +1, -0

Given that ∫‌

1

x2+a2

dx=‌

1

a

Tan−1(‌

x

a

)+c.
If ∫‌

1

x4+3x2+1

dx=a⋅Tan−1(‌

b(x2−1)

x

)+cTan−1(‌

d(x2+1)

x

)+k where k is a constant of integration, then 5(c+d+ab)=

3
5
8
10

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