Q.

If the roots of the quadratic equation (4p−p2−5)x2−(2p−1)x+3p=0  lie on either side of unity, the number of integral values of p is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

1

b

2

c

3

d

4

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Since, the coefficient of  x2=(4p−p2−5)<0Therefore, the graph is open downward. According to the question, 1 must lie between the roots. Hence,⇒f(1)>0⇒4p−p2−5−2p+1+3p>0⇒−p2+5p−4>0⇒p2−5p+4<0⇒(p−4)(p−1)<0⇒1
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon