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The equation (1 + n ^(2)) x ^(2) + 2 ncx...

The equation `(1 + n ^(2)) x ^(2) + 2 ncx + (c ^(2) - a ^(2)) = 0` will have equal roots if

A

`a ^(2) = c ^(2) ( 1 - m ^(2))`

B

`c ^(2) = a ^(2) (a - m ^(2))`

C

`a ^(2) =c^(2) (1 + m ^(2))`

D

`c ^(2) = a ^(2) (1 + m ^(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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