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COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The value of $$\int {{1 \over {1 + \cos 8x}}dx} $$ is

A
$${{\tan 8x} \over 8} + C$$
B
$${{\tan 2x} \over 8} + C$$
C
$${{\tan 4x} \over 8} + C$$
D
$${{\tan 4x} \over 4} + C$$
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The value of $$\int {{e^x}({x^5} + 5{x^4} + 1)\,.\,dx} $$ is

A
$${e^x}\,.\,{x^5} + {e^x} + C$$
B
$${e^x}\,.\,{x^5}$$
C
$$5{x^4}\,.\,{e^x}$$
D
$${e^{x + 1}}\,.\,{x^5} + C$$
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The value of $$\int {{{{x^2} + 1} \over {{x^2} - 1}}dx} $$ is

A
$$\log \left( {{{x + 1} \over {x - 1}}} \right) + C$$
B
$$\log \left( {{{x - 1} \over {x + 1}}} \right) + C$$
C
$$\log ({x^2} - 1) + C$$
D
$$x + \log \left( {{{x - 1} \over {x + 1}}} \right) + C$$
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