Home
Class 12
MATHS
If y=|{:(f(x),g(x),h(x)),(l,m,n),(a,b,c)...

If `y=|{:(f(x),g(x),h(x)),(l,m,n),(a,b,c):}|`, prove that `(dy)/(dx)=|{:(f'(x),g'(x),h'(x)),(l,m,n),(a,b,c):}|`.

Promotional Banner

Topper's Solved these Questions

  • CONTINUITY AND DIFFERENTIABILITY

    NCERT BANGLISH|Exercise EXERCISE 5.8|8 Videos
  • APPLICATION OF INTEGRALS

    NCERT BANGLISH|Exercise Miscellaneous Exercise|19 Videos
  • DETERMINANTS

    NCERT BANGLISH|Exercise Miscellaneous Exercises on Chapter 4|18 Videos

Similar Questions

Explore conceptually related problems

If x^(m)*y^(n)=(x+y)^(m+n) , show that (dy)/(dx)=(y)/(x) .

If f(x)=log_ex and g(x)=e^x , prove that f{g(x)}=g{f(x)} .

f,g,h are continuous in [0,a],f(a-x)=f(x),g(a-x)=-g(x),3h(x)-4h(a-x)=5 . Then prove that int_(0)^(a)f(x)g(x)h(x)dx=0 .

If f(x),g(x) and h(x) are three polynomials of degree 2, then prove that phi(x) = |[f(x),g(x),h(x)],[f ^ (prime)(x),g^(prime)(x),h^(prime)(x)],[f^(primeprime)(x),g^(primeprime)(x),h^(primeprime)(x)]| is a constant polynomial.

If x^m y^n=(x+y)^(m+n),p rov et h a t(dy)/(dx)=y/xdot

If f(x),g(x)a n dh(x) are three polynomial of degree 2, then prove that phi(x)=|[f(x)g(x)h(x)];[f'(x)g'(x) h '(x)];[f' '(x)g' '(x )h ' '(x)]| is: constant

If f,g,a n d \ h are differentiable functions of x and d(x)=|[f,g,h],[(xf)',(xg)',(x h)'],[(x^(2)f)'',(x^2g)'',(x^2h)'']| prove that d^(prime)(x)=|[f,g,h],[f',g',h'],[(x^3f' ')',(x^3g' ')',(x^3h ' ')']|

int [f(x)g"(x) - f"(x)g(x)]dx is

If f(x)=e^(x+a) , g(x)=x^(b^2) and h(x)=e^(b^2x) ,show that (g[f(x)])/(h(x))=e^(ab^2)

Evaluate : int ((x-l)(x-m))/((x-a)(x-b))dx

NCERT BANGLISH-CONTINUITY AND DIFFERENTIABILITY-MISCELLANEOUS EXERCISE ON CHAPTER 5
  1. Differentiate w.r.t.x the function in Exercises 1 to 11. sin^(-1)(x ...

    Text Solution

    |

  2. Differentiate w.r.t.x the function in Exercises 1 to 11. (cos^(-1)""...

    Text Solution

    |

  3. Differentiate w.r.t.x the function in Exercises 1 to 11. cot^(-1)[(s...

    Text Solution

    |

  4. Differentiate w.r.t.x the function in Exercises 1 to 11. (x)^(log x)...

    Text Solution

    |

  5. Differentiate w.r.t.x the function in Exercises 1 to 11. cos( a cos ...

    Text Solution

    |

  6. Differentiate w.r.t.x the function in Exercises 1 to 11. (sin x- cos...

    Text Solution

    |

  7. Differentiate w.r.t.x the function in Exercises 1 to 11. x^(x)+x^(a)...

    Text Solution

    |

  8. x^(x^(2)-3)+(x-3)^(x^2)," for "x gt 3.

    Text Solution

    |

  9. Find (dy)/(dx), " if "y=12 (1-cos t), x= 10(t-sin t), -(pi)/(2) lt t l...

    Text Solution

    |

  10. Find (dy)/(dx)," if "y= sin^(-1)x +sin^(-1)sqrt(1-x^(2)), 0 lt x lt 1.

    Text Solution

    |

  11. If xsqrt(1+y)+ysqrt(1+x)=0," for ", -1 lt x lt 1, prove that (dy)/(d...

    Text Solution

    |

  12. If (x-a)^(2)+(y-b)^(2)=c^(2), for some c gt 0, prove that ([1+((dy)/...

    Text Solution

    |

  13. If cos y= x cos (a+y), with cos a ne pm 1, prove that (dy)/(dx)=(cos^(...

    Text Solution

    |

  14. If x=a (cos t +t sin t)" and "y= a (sin t -t cos t), find (d^(2)y)/(dx...

    Text Solution

    |

  15. If f(x)= |x|^(3), show that f''(x) exists for all real x and find it.

    Text Solution

    |

  16. Using mathematical induction prove that (d)/(dx)(x^n)= nx^(n-1) for al...

    Text Solution

    |

  17. Using the fact the that sin (A+B)= sin A cos B+ cos A sin B and the di...

    Text Solution

    |

  18. Does there exist a function which is continuous everywhere but not dif...

    Text Solution

    |

  19. If y=|{:(f(x),g(x),h(x)),(l,m,n),(a,b,c):}|, prove that (dy)/(dx)=|{:(...

    Text Solution

    |

  20. If y= e^(a cos^(-1)x), -1 le x le 1, show that (1-x^(2))(d^(2)y)/(dx^(...

    Text Solution

    |