If α, β are the roots of x2−3x+a=0, a∈R and α<1<β, then
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
a∈(−∞, 2)
b
a∈(−∞, 9/4]
c
a∈(2, 9/4]
d
none of these
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Let f(x)=x2−3x+a. Clearly, y=f(x) represents a parabola opening upwardIt is give that 1 lies between the roots of f(x)=0Discriminant >0 and f(1)<0 ⇒ 9−4a>0 and 1−3+a<0⇒ a<94 and a<2⇒a<2⇒a∈(−∞, 2)