Home
Class 11
MATHS
A mapping f is defined :f:(x,y)rarr (x+y...

A mapping f is defined :`f:(x,y)rarr (x+y,x-y)` then f(-1,-2) is equal to

A

(-3,1)

B

(-3,-1)

C

(3,1)

D

(3,-1)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SET,VENN DIAGRAM AND RELATION

    PATHFINDER|Exercise QUESTION BANK|131 Videos
  • SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE

    PATHFINDER|Exercise QUESTION BANK|217 Videos

Similar Questions

Explore conceptually related problems

If f(x+2y,x-2y) =xy, then f(x,y) is equal to

If f(x + 2y, x-2y) =xy , then f(x,y) is equal to:

If f(2x+3y, 2x-7y)=20x, then f(x,y) equals :

Let f((x+y)/(2))=1/2 |f(x) +f(y)| for all real x and y, if f '(0) exists and equal to (-1), and f(0)=1 then f(2) is equal to-

Let RR be the set of real numbers and the mapping f: RR rarr RR be defined by f(x)=2x^(2) , then f^(-1) (32)=

The function f satisfies the relation f(x+y) =f(x) f(y) for all ral x, y and f(x) ne 0. If f(x) is differentiable at x=0 and f'(0) =2, then f'(x) is equal to-

The mapping f:ZZ rarr ZZ defined by , f(x)=3x-2 , for all x in ZZ , then f will be ___

Let f(x+y) = f(x) . f(y) for all x,y where f(0) ne 0. If f(5) =2 and f'(0) =3 , then f'(5) is equal to

If f:[1,infty)rarr[2,infty) is defined as f(x)=x+(1/x) then find f^(-1)(x)

PATHFINDER-SETS AND RELATIONS-QUESTION BANK
  1. If p={(x,y) in A X A:x=sqrty} be a relation on a set A={x in N :2lexle...

    Text Solution

    |

  2. A={a,b,c} and B={1,2,3} are two sets R={(a,1),(a,2),(b,2),(b,3),(c,1)}...

    Text Solution

    |

  3. A mapping f is defined :f:(x,y)rarr (x+y,x-y) then f(-1,-2) is equal t...

    Text Solution

    |

  4. Which of the following is a mapping from A to B where A={1,2,3} and B=...

    Text Solution

    |

  5. If A= {x:0ltxlt4} and B={x:3lexle6} where x is an integer then A cap B...

    Text Solution

    |

  6. State which of the following is true

    Text Solution

    |

  7. If S={0,1,4,5,7}then the number of subsets of S is

    Text Solution

    |

  8. If R={(1,-1),(2,0),(3,1),(5,3)} is a relation then R^(-1) is

    Text Solution

    |

  9. If S={1,2,3,4,….10} be a universal set and A={1,2,5} and B={6,7} then ...

    Text Solution

    |

  10. If aN={ax:x in N(natural number)} then 3N cap 7N is equal to

    Text Solution

    |

  11. Set A={a,b,c,d} then the number of defined relation in A is

    Text Solution

    |

  12. If for two sets A and B,A-B=A then which of the following is true?

    Text Solution

    |

  13. The set of all positive odd numbers divisible by 2 is

    Text Solution

    |

  14. If A and B are two finite sets and n(A)=5,n(B)=6 then the minimum numb...

    Text Solution

    |

  15. If A={(x,y):x^2+y^2=25} and B={(x,y):x^2+9y^2=144} then n(Acap B) is

    Text Solution

    |

  16. A={(x,y) in R^2 : x ne0 and y=(1/x)} and B={(x,y) in R^2:y=-x} then A ...

    Text Solution

    |

  17. If pN={px:x is a natural number} then 4N cap 10N is equal to

    Text Solution

    |

  18. For any two nonempty sets A and B ,(Acup B)' cup (A'cap B) is equal to

    Text Solution

    |

  19. If A={0,1} and B={0,-1} then show that AxxB ne BxxA

    Text Solution

    |

  20. If the ordered pairs (x-2,2y+1) and (y-1,x-2) be equal then find x,y

    Text Solution

    |