Home
Class 12
MATHS
Let E={1,2,3,4}a n dF-{1,2}dot If N is t...

Let `E={1,2,3,4}a n dF-{1,2}dot` If `N` is the number of onto functions from`EtoF ,` then the value of `N//2` is

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

Let E={1,2,3,4}andF={1,2}* If N is the number of onto functions from E rarr F then the value of N/2 is

Let E = {1, 2, 3, 4} and F = {1, 2}. Then the number of onto functions from E to F is

Let E={1,2,3,4,} and F={1,2}. Then the number of onto functions from E to F, is ______.

Let E=(1,2,3,4) and F-(1,2) . Then the number of onto functions from E to F is:

Find the number of all onto functions from the set A={1,2,3, ,n} to itself.

Let 'A={1,2,3,.....n}' and 'B={a,b,c}' , the number of functions from A to B that are onto is

RESONANCE DPP-JEE MAINS-All Questions
  1. If H is the othrocenter of an acute angled triangle ABC whose circumci...

    Text Solution

    |

  2. If f: R to R and g: R to R are defined by f(x)=2x+3 and g(x)=x^(2)+7 ,...

    Text Solution

    |

  3. Let E={1,2,3,4}a n dF-{1,2}dot If N is the number of onto functions fr...

    Text Solution

    |

  4. Find the number of ways in which the letters A, B, C, D, E, F can be p...

    Text Solution

    |

  5. If f(x)=x^3+2x^2+3x+4 and g(x) is the inverse of f(x) then g^(prime...

    Text Solution

    |

  6. The function f(x) = sin x-x cos x is: (A).maximum or minimum for a...

    Text Solution

    |

  7. The mean deviation about median of variates 13, 14, 15,...., 99, 100 i...

    Text Solution

    |

  8. The value of int(-2pi)^(5pi)cot^(-1)(tanx)dxi se q u a lto (7pi)/2 (...

    Text Solution

    |

  9. If P(A)=0. 59 ,P(B)=0. 30P(AnnB)=0. 21 , then P(A^(prime)nnB^(prime)...

    Text Solution

    |

  10. Evaluate the following: lim(xrarr0)(sin^2 2x)/(tan^2 3x)

    Text Solution

    |

  11. Domain of the function f(x)=sqrt(cos(s in x))+sin(x^2-1)i s [-1,1] [-...

    Text Solution

    |

  12. If two events A and B are such that P(A^c)=0. 3. P(B^c)=0. 4 a n d P...

    Text Solution

    |

  13. Evaluate the following: lim(xrarr0) sin^2 (x/2)/(x^2)

    Text Solution

    |

  14. tan(tan^(-1)5+cot^(-1)1/3) 4/7 b. -4/7 c. 3/7 d. not defined

    Text Solution

    |

  15. If in a A B C , =a^2-(b-c)^2, then tanA is equal to 15//16 b. 8...

    Text Solution

    |

  16. Evaluate the following limit: (lim)(x->0)(1-cos m x)/(1-cos n x)

    Text Solution

    |

  17. The value of cos^(-1)(cos 12)-sin^(-1)(s in 14) is -2 b. 8pi-26 c. 4pi...

    Text Solution

    |

  18. If in a triangle A B C ,acos^2(C/2)ccos^2(A/2)=(3b)/2, then the sides ...

    Text Solution

    |

  19. Evaluate the following: lim(xrarr0)(sin^2 3x sin5x)/(tan^2 5x tan (x/2...

    Text Solution

    |

  20. Range of the function f(x)=tan^(-1)sqrt([x]+[-x])+sqrt(2-|x|)+1/(x^...

    Text Solution

    |