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Mathematics
Problem
If the roots of
(
a
2
+
b
2
)
x
2
−
2
b
(
a
+
c
)
x
+
(
b
2
+
c
2
)
=
0
(a^2 + b^2)x^2 - 2b(a + c)x + (b^2 + c^2) = 0
(
a
2
+
b
2
)
x
2
−
2
b
(
a
+
c
)
x
+
(
b
2
+
c
2
)
=
0
are equal then a, b, c are in (A) A.P. (B) G.P. (C) H.P. (D) none of these
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