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Byju's Answer
Standard X
Mathematics
Quadratic Equations
If the equati...
Question
If the equations
a
2
+
b
2
x
2
-
2
a
c
+
b
d
x
+
c
2
+
d
2
=
0
has equal roots, then
(a) ab = cd
(b) ad = bc
(c)
a
d
=
b
c
(d)
a
b
=
c
d