Home
Class 12
MATHS
If sqrtx + sqrty = sqrta " then " (dy)/...

If `sqrtx + sqrty = sqrta " then " (dy)/(dx) =` ?

A

2a

B

a

C

a/2

D

`sqrta`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF DERIVATIVES

    MCGROW HILL PUBLICATION|Exercise Solved Examples ( LEVEL -2 SINGLE CORRECT ANSWER TYPE QUESTIONS )|25 Videos

  • APPLICATIONS OF DERIVATIVES

    MCGROW HILL PUBLICATION|Exercise Solved Examples ( NUMERICAL ANSWER TYPE QUESTIONS )|18 Videos

  • APPLICATIONS OF DERIVATIVES

    MCGROW HILL PUBLICATION|Exercise Solved Examples ( CONCEPT - BASED SINGLE CORRECT ANSWER TYPE QUESTIONS )|10 Videos

  • AREA BY INTEGRATION

    MCGROW HILL PUBLICATION|Exercise Question from Previous Years. B-Architecture Entrance Examination Papers|12 Videos

Similar Questions

Explore conceptually related problems

If y = x^(sqrtx) " then " (dy)/(dx) = ?

If y =sqrt sin sqrtx ,then (dy)/(dx) =

If y = tan^(-1) ((sqrta + sqrtx)/(1 - sqrt(ax))) " then " (dy)/(dx) = ?

If y = e^(sin sqrtx) " then " (dy)/(dx) = ?

If y= cos sqrtx ,then (dy)/(dx) =

If y = "log "((1 + sqrtx)/(1 - sqrtx)) " then " (dy)/(dx) = ?

2/sqrtx + 3/sqrty = 2

2/sqrtx + 3/sqrty = 2

2/sqrtx + 3/sqrty = 2

if sqrtx+sqrty=4 , then (dy)/(dx) is :

MCGROW HILL PUBLICATION-APPLICATIONS OF DERIVATIVES-Solved Examples ( LEVEL -1 SINGLE CORRECT ANSWER TYPE QUESTIONS )
  1. The minimum value of f(x)=|3-x|+|2+x|+|5-x| is

    Text Solution

    |

  2. x(x-2)(x-4),1 <= x <= 4, will satisfy mean value theorem at

    Text Solution

    |

  3. If sqrtx + sqrty = sqrta " then " (dy)/(dx) = ?

    Text Solution

    |

  4. x and y be two variables such that xgt0 and xy=1. Then the minimum val...

    Text Solution

    |

  5. if f(x)=(sin (x+alpha)/(sin(x+beta),alpha ne beta then f(x) has

    Text Solution

    |

  6. The tangent to the curve y= x^(3) -6x^(2) + 9x + 4, 0 le x le 5 has ma...

    Text Solution

    |

  7. The values of parameter a for which the point of minimum of the functi...

    Text Solution

    |

  8. Find the point of intersection of the tangents drawn to the curve x...

    Text Solution

    |

  9. The equation of the tangent to the curve y=(2x-1)e^(2(1-x)) at the p...

    Text Solution

    |

  10. If the function f(x) = x^(2) + alpha//x has a local minimum at x=2, th...

    Text Solution

    |

  11. Three normals are drawn to the parabola y^(2) = 4x from the point (c,0...

    Text Solution

    |

  12. The function f(x)=[log (x-1)]^(2) (x-1)^(2) has :

    Text Solution

    |

  13. If f(x) = log x satisfies Lagrange's theorem on [1,e] then value of c ...

    Text Solution

    |

  14. The value of c for which the conclusion of Lagrange's theorem holds fo...

    Text Solution

    |

  15. Let f(x) {(|x-2| +a",","if" x le 2),(4x^(2) + 3x +1",","if" x gt 2):}....

    Text Solution

    |

  16. If y = mx + 2 is parallel to a tangent to curve e^(4y) =1 + 16x^(2) th...

    Text Solution

    |

  17. Given the function f(x) = x^(2) e^(-2x), x gt 0. Then f(x) has the max...

    Text Solution

    |

  18. if f(x)=(x -4) (x-5) (x-6) (x-7) then.

    Text Solution

    |

  19. If f(x)=(x^2-1)/(x^2+1) . For every real number x , then the minimum v...

    Text Solution

    |

  20. For all x in (0,1)

    Text Solution

    |