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IF the roots of (1) /(x +a) + (1)/(...

IF the roots of `(1) /(x +a) + (1)/(x +b)=(1)/(c )` are equal in magnitude and opposite in sign then the product of the roots is

A

`-1/2 (a^2+b^2)`

B

`1/2 (a^2 +b^2)`

C

`-3/2(a^2+b^2)`

D

none

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A
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  8. IF the roots of ax^2 +bx +c=0 are of the form (m+1)/(m ) ,(m+2)/...

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  11. All the values of m for which both roots of the equation x^2-...

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  12. The values of a for which of a for which 2x^2-2(2a +1)x+a(a+1) =...

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  13. The value of a for which the equation (1-a ^2)x^2+2ax -1 has roo...

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  14. The value of a for which each one of the roots of x^2-4ax+2a^...

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  15. The value of 'a' for which one root of the quadratric equation ...

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  16. IF both the roots of the quadratic equation x^2-2kx+k^2 +k -5=0 a...

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  17. If roots of the equation x^2-bx +c=0 be two consecutive intege...

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  18. p and q are distinct prime numbers and if the equation x^2 -px ...

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  20. If the roots of x^2+x+a=0 exceed , a then

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