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
Aparna Tiwari Grade: 12
        

Prove that the roots of the equation (x-a)(x-b)+(x-b)(x-c)+(x-a)(x-c)=0 are real.

6 years ago

Answers : (2)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear aparna,


If we solve this equation we get,


3x2-2x(a+b+c)+ab+bc+ca=0


If we calculate discriminant D=b2-4ac


we find that D>0 hence the roots are real


Proved.


 










Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.


All the best.


Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.


Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar  respectively : Click here to download the toolbar..


 


Askiitians Expert


Sagar Singh


B.Tech, IIT Delhi









6 years ago
jagdish singh singh
168 Points
										

1472_24699_gif.latex (28).gif

6 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. 3,180 off
USE CODE: CART20
Get extra Rs. 466 off
USE CODE: CART20

Ask Experts

Have any Question? Ask Experts

Post Question

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