1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If the derivative of the function$f(x) =\frac{m}{x} +2nx + 1$ vanishes at x = 2, then what is the value of m + 8n ?
A
-2
B
0
C
2
D
Cannot be determined due to insufficient data
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If xy = 4225 where x, y are natural numbers, then what is the minimum value of x + y ?
A
130
B
260
C
2113
D
4226
3
NDA Mathematics 14 November 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following statements in respect of the function f(x) = x2 + 1 in the interval [1, 2]:

1. The maximum value of the function is 5.

2. The minimum value of the function is 2.

Which of the above statements is/are correct?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
4
NDA Mathematics 14 November 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
Where does the tangent to the curve y = ex at the point (0, 1) meet x-axis?
A
(1, 0)
B
(-1, 0)
C
(2, 0)
D
$\rm \left(-\frac{1}{2}, 0\right)$
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