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
rajshri singh Grade: 12th Pass
        

solve the following eqn for x where [x] and {x} denote greatest integer and fractional part


 


2x + 3[x] - 4{-x}=4


plz give detaild soln

5 years ago

Answers : (1)

Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points
										2x+3[x]-4+4{x}=4
2x+3x+{x}=8
5[x]+6{x}=8
{x}=(8-5[x])/6
that means 0<=(8-5[x])/6<1
0<=8-5[x]<6
-8<=-5[x]<-2
2<5[x]<=8
2/5<[x]<=8/5
[x]=0,1
0<=x<2

Sher Mohammad
faculty askiitians

3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details
Get extra Rs. 2,385 off
USE CODE: COUPON10
Get extra Rs. 350 off
USE CODE: COUPON10

Ask Experts

Have any Question? Ask Experts

Post Question

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