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1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
What is $$\int {{{dx} \over {x{{(1 + \ln x)}^n}}}} $$ equal to (n $$\ne$$ 1) ?
A
$${1 \over {(n - 1){{(1 + \ln x)}^{n - 1}}}} + c$$
B
$${{1 - n} \over {{{(1 + \ln x)}^{1 - n}}}} + c$$
C
$${{n + 1} \over {{{(1 + \ln x)}^{n + 1}}}} + c$$
D
$$ - {1 \over {(n - 1){{(1 + \ln x)}^{n - 1}}}} + c$$
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is $$\int {\ln ({x^2})dx} $$ equal to?
A
$$2x\ln (x) - 2x + C$$
B
$${2 \over x} + C$$
C
$$2x\ln (x) + C$$
D
$${{2\ln (x)} \over x} - 2x + C$$
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is $$\int {{e^{x\ln (a)}}} dx$$ equal to ?
A
$${{{a^x}} \over {\ln (a)}} + C$$
B
$${{{e^x}} \over {\ln (a)}} + C$$
C
$${{{e^x}} \over {\ln (ae)}} + C$$
D
$${{a{e^x}} \over {\ln (a)}} + C$$
4
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
For the following two (02) items:
Let $u=\int e^{x}cos~x~dx $ and $v=\int e^{x}sin~x~dx.$
What is u + v equal to?
1
$-\frac{du}{dx}$
2
$-\frac{dv}{dx}$
3
$\frac{du}{dx}$
4
$\frac{dv}{dx}$
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