Question

the condition that the one root of ax^2+bx+c=0 is thrice the other root is​

Answer 1

Step-by-step explanation:

x+3x=-b/a ---- 4x=-b/a (i)

x*3x=c/a ---- 3x^2=c/a (ii)

Substituting x form (i) into (ii)

solve

3b^2=16ac