Please help me with question 33 of quadratic equation
Anshu Mishra , 5 Years ago
Grade 12th pass
IIT JEE Entrance Exam> Please help me with question 33 of quadra...
1 Answers
Arun
Last Activity: 5 Years ago
Dear student
Real roots
D is gretaer than or equal to zero
4(m – 10)^2 – 4 (m – 5)(m+ 10) greater than or equal to zero
m^2 + 100 – 20 m – m^2 – 5m + 50 >= 0
- 25m >= – 150
m
Now for same sign of roots
product of roots greater than or equal to zero
m+ 10/(m- 5) greater than or equal to zero.
hence m belongs to ( – infinity , – 10] U (5, infinity)
hence after intersection of values of m
m belongs to ( – infinity, – 10] U ( 5, 6]
hence option C si correct
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free
Enter text here...
Other Related Questions on IIT JEE Entrance Exam
My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....
IIT JEE Entrance Exam
0 Answer Available
Last Activity: 2 Year ago(s)
How is Ranquer Eduzone,comparing, Akash,Fitjee,Resonance,Naryana
IIT JEE Entrance Exam
0 Answer Available
Last Activity: 2 Year ago(s)
Can class 9th students study syllabus classof 11th
IIT JEE Entrance Exam
3 Answer Available
Last Activity: 2 Year ago(s)
I m foreigner,How much mark i need to get into IIT??
IIT JEE Entrance Exam
1 Answer Available
Last Activity: 2 Year ago(s)