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Chose the correct option If y= x^2 + ...

Chose the correct option
If `y= x^2 + 2x`, then `frac(dy)(dx)` at x= 4 is

A

4

B

6

C

8

D

10

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CHETANA PUBLICATION-MATHEMATICAL METHODS-EXERCISE
  1. Chose the correct option The angle between oversetrarra and the re...

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  2. Chose the correct option oversetrarrp and oversetrarrq are two vect...

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  3. Chose the correct option If y= x^2 + 2x, then frac(dy)(dx) at x= 4...

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  4. Chose the correct option The displacement s of a particle is expres...

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  5. Chose the correct option The value of the integral int2^3 x^2 dx is

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  6. Chose the correct option int0^(pi//2) sin theta d theta is equal to

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  7. Chose the correct option int0^(pi//2) oversetrarra.oversetrarrb d ...

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  8. Chose the correct option The resultant of 2 forces 10N and 15N acting...

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  9. Chose the correct option For 2 vectors to be equal, they should have

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  10. Chose the correct option The magnitude of scalar product of two unit...

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  11. Chose the correct option The magnitude of vector product of two unit...

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  12. Chose the correct option If oversetrarra, oversetrarrb, and oversetr...

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  13. The magnitude of the sum of 2 vectors is A. Always equal to sum of ma...

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  14. State True/False: The magnitude of the sum of 2 vectors is always equ...

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  15. State True/False: The magnitude of the sum of 2 vectors is never equa...

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  16. State True/False: The magnitude of the sum of 2 vectors is may be equ...

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  17. State True/False: If oversetrarra and oversetrarrb are 2 vectors of s...

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  18. State True/False: If oversetrarra and oversetrarrb are 3 vectors of s...

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  19. State True/False: If oversetrarra and oversetrarrb are 4 vectors of s...

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  20. If hati and hatj are unit vectors , then (hati+ hatj) may be a unit ...

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