MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

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

f(x)=root(log0.3(x-1)/x2-2x-8)

10 years ago

Answers : (1)

Ramesh V
70 Points
							

The domain of f(x) is :

necessary condition : (x-1)>0

the value under f(x) shld always be positive

case 1:

log0.3(x-1) > 0  and (x+2)(x-4) > 0

x-1 > 1  and (x+2)(x-4) > 0  and x>1

the overlapping region is x > 4

case 1:

log0.3(x-1) < 0  and (x+2)(x-4) < 0

x-1 < 1  and (x+2)(x-4) < 0

x<2 and -2<x<4  and x>1

the overlapping region is : (1 , 2)

the domain is : (1,2) U (4,infinity)

--

Regards

Ramesh

10 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 51 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

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