Question

If one root of the equation a²+bx+c=0 is three times the other, then b² : ac is" *


​

Answer 1

Answer:

ax2+bx+c=0let one root beα∴other root be 3αsum=α+3α=4α=−abproduct=3α2=acα2=3ac4α=−ab∴α=−4ab∴α2=16a2b2or3ac=16a2b216ac=3b2

Answer 2

Answer:

5/67 it's answer in unit form