Question

66. What is the common root in the equations lx2 +2mx
+n= 0 and lx2 + 2nx + m= 0; where m #n?
1
(a) 0
(b)1/2

(c) 1
(d) Can't be determined



solution plss??​

Answer 1

Answer:

The condition that the roots of the equation lx2+mx+n= 0 may be in the ratio 3 : 4 is. A. 14n2=49ml. B. m2=9nl. C. 12m2=49nl. D. 4l2=49ml.