1
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following for the next two (02) items that follow:

Given that $\int \frac{3 \cos x + 4 \sin x}{2 \cos x + 5 \sin x} dx = \frac{\alpha x}{29} + \frac{\beta}{29} \ln |2 \cos x + 5 \sin x| + c$

What is the value of $\beta$ ?

A

7

B

13

C

17

D

26

2
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Let $\int \frac{d x}{\sqrt{x+1}-\sqrt{x-1}}=\alpha(x+1)^{\frac{3}{2}}+$ $$ \beta(x-1)^{\frac{3}{2}}+c $$

What is the value of $\alpha$?

A

$\frac{1}{3}$

B

$\frac{2}{3}$

C

$1$

D

$\frac{4}{3}$

3
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Let $\int \frac{d x}{\sqrt{x+1}-\sqrt{x-1}}=\alpha(x+1)^{\frac{3}{2}}+$ $$ \beta(x-1)^{\frac{3}{2}}+c $$

What is the value of $\beta$?

A

$-\frac{2}{3}$

B

$-\frac{1}{3}$

C

$\frac{1}{3}$

D

$\frac{2}{3}$

4
NDA Mathematics 4 September 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is ∫(xx)(1 + ln x)dx equal to ?
A
x2x + c
B
$​\frac{1}{2}$x2x + c
C
2x2x + c
D
$​\frac{1}{2}$xx + c
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