Q.

The value of p for which one root of the equation x2-30x+p=0 is the square of the other, are

see full answer

Want to Fund your own JEE / NEET / Foundation preparation ??

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*
An Intiative by Sri Chaitanya

a

125 only

b

125 and -216

c

125 and 215

d

216 only

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

α+α2=30 and α3=pα2+α-30=0⇒(α+6)(α-5)=0⇒α=-6, 5∴p=α3=(-6)3=-216 and p=(5)3=125p=125 and -216
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon