Total Price:

There are no items in this cart.
Continue Shopping

(ax^2)-bx+c=0 has distinct roots lyin b/w 0 & 1.then which of the following holds if a,b,c E N.

  1. abc >=20

  2. abc >=25

  3. abc <=16

  4. abc =9.

3 years ago


Answers : (1)


Here, b/a=0+1=1, c/a=0*1≠0 ( here 0 is not exactly 0) 

 b=a, c=na(n is any integer )

 let, ax2-ax+na=0




 12=1. so x=1 is true. 


 -bx+na= 0



  hit and trial, b=a=√3 and c=3 .then,

abc = 9. this is the answer.  plz aprove the answer. 


3 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts

Post Question

Answer ‘n’ Earn
Attractive Gift
To Win!!!
Click Here for details
are computer based exams in aieee more difficult than paper and pen
That totally depends on how much familiar one is with the use of computers. If one uses computers on a regular basis, it actually becomes easier to attempt the paper online as it would save...
Ravi 5 months ago
thanks sir
Mohammad Dilshad 5 months ago
Please answer this encircled question .
Hello student Please find the solution Let [tanx]= t So the question becomes For complete knowledge on this chapter Limits, continuity and L-hospital rule please see the video lecture by our...
Nishant Vora 7 months ago
Answer is 1/3.
agam goel 7 months ago
respected sir,i have scored 85.2% in cbse board this year.Since i am dropping this year,please tell me the minimum no of marks that i have 2 score 2 get rank below 10000.also please tell...
You need to score around 200-230 in JEE to get a rank below 10000.Fiitjee South Delhi is a good institute for JEE preparation. Thanks & Regards Aziz Alam IIT Roorkee askIITians
Aziz Alam 9 months ago
thank you sir......
bharat makkar 9 months ago
can you give some tips to crack jee main?
Hi Student The key thing is time management along with hardwork and dedication Seven Steps for effective Time Management Organize:- Have an organized work place Maintain a proper planner for...
Harsh Patodia 5 months ago
I was “very very” Sincere in my classes and cleared all the doubts in the class only. Again i segmented some topics and instead of preparing evrything, focussed on some topics in...
Harsh Patodia 5 months ago
can you give your success mantra?
BHAVANA RM 5 months ago
The velocity of electron in ground state of hydrogen atom is
Hi, use Coulombic force between e and nucleus= centripetal force on electron...
Shobhit Varshney 5 months ago
angular momentum mvr=nh/2π v=nh/2mπr={nh/2πm}* 1/(n 2 h 2 /2πmKe 2) =2.2*10 6 m/s where n = 1 K = 9 x 10 9 Nm2/c2 m = 9.1 x 10-31kg e = 1.6 x 10-19c, r = 5.29 x 10-11m
Naveen Kumar 5 months ago
I have got AIR 2129 (general 1806) in JEE MAINS and 326 in BITSAT.I have opted for dual degree-msc maths at pilani campus.I may get CS at NSIT and i can get ECE easily at any other top NIT ,...
If you have interest in CS and given the fact that you are also getting CS in some very good colleges, then you should choose a branch related to CS.CS or ECE NSIT is a good choice too,...
Aziz Alam 9 months ago
View all Questions »