MATHEMATICS (NDA/NA SOLVED PAPER 2022-I) (51 to 100)

Total Questions: 50

11. equal to?

Correct Answer: (b) 1/2
Solution:

12. equal to?

Correct Answer: (b)
Solution:

13. equal to?

Correct Answer: (b)
Solution:

14. equal to?

Correct Answer: (b) -1
Solution:

15. How many extreme values does sin4x + 2x, where 0< x< π/2 have?

Correct Answer: (b) 2
Solution:

16. What is the maximum value of the function?

Correct Answer: (b) 1/2
Solution:

17. equal to?

Correct Answer: (d) 4
Solution:

18. f(x) = 4x + 3 then what is f°f° f(- 1) equal to?

Correct Answer: (a) -1
Solution:

19. If xʸyˣ= 1, then what is dy/dx at (1, 1) equal to?

Correct Answer: (a) -1
Solution:

20. If y = (xˣ)ˣ, then what is the value of dy/dx at x = 1?

Correct Answer: (b) 1
Solution: