Question

If the roots of ax2 + bx + c = 0 are in the ratio m : n, then
Select one:
a. mna² = (m + n) c²
b. mnb² = (m + n) ac
c. mn b² = (m + n)² ac
d. None of these​

Answer 1

Step-by-step explanation:

a is the correct answer

because when we put the value we get

mna^2 =( m+n )