MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
raman malik Grade: 12
        

 X and Y are two sets and f:X→ Y .If f(c)={y; c is subset ofX , y is subset of Y} and f-1(d) = {x;d is subset of Y,x is subset of X}, then the true statement is


A) f(f-1(b)) = b            


B) f(f-1(b)) = b,b is subset of Y


C) f-1(f(a)) = a            


D) f-1(f(a)) = a,a is subset of  












7 years ago

Answers : (1)

sasha sasha sasha
18 Points
										

AS f(x)=y  ,x and y are subsets of X and Y   .............1


also f¯1(y)=x   ,x and y are subsets of X and Y      ........2


put 1 in 2


f(f-1(x))=x , x is subset of X


D

7 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details