The real number k for which the equation, 2x 3 + 3x + k = 0 has two distinct real roots in [0, 1](1) lies between 2 and 3(2) lies between -1 and 0(3) does not exist(4) lies between 1 and 2
Jayant Kumar , 11 Years ago
Grade 11
2 Answers
Saurabh Koranglekar
Last Activity: 4 Years ago
Vikas TU
Last Activity: 4 Years ago
F(x) = 2x^3+3x+k
f′(x) = 6x^2+3
f′(x) = 0
x^2 = -1/2
Not Possible.
As condition for two distinct real root is = 0
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 engineering entrance exams