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Standard XII
Mathematics
Common Roots
19. If the eq...
Question
19. If the equation (l+M2)X2+2mcx+(c2-a2)=0 has equal roots,prove that C2=A2(l+M2).
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Q.
If the equation
1
+
m
2
x
2
+
2
m
c
x
+
c
2
-
a
2
=
0
has equal roots, prove that c
2
= a
2
(1 + m
2
).