Question

if the equation(a2+b2) x^2 -2(ac+bd)x +c2 +d2 has equal roots then:
a)ab=cd
b)ad=bc
c)ad=root bc
d)ab=root cd​

Answer 1

Answer:

if the equation(a2+b2) x^2 -2(ac+bd)x +c2 +d2 has equal roots then:

a)ab=cd

b)ad=bc

c)ad=root bc

d)ab=root cd

Answer 2

Answer:

sorry I have no answer