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IF the sum of the roots of the quad...

IF the sum of the roots of the quadratic equation `ax ^2 + bx +c=0` is equal to sum of the square of their reciprocals then ` (b^2)/(ac) +(bc )/(a^2)`=

A

2

B

`-2`

C

`1`

D

`-1`

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A
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  13. IF tan A and tan B are the roots of the quadratic x^2 -px+q=0...

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  14. In a triangle PQR angle R=pi //2 if tan (p//2) and tan ( Q//2)...

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  15. In a triangle PQR angle R=(pi)/(4), if tan (p/3) and tan ((Q)/...

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  16. If one root of x^2+px +1=0 is the cube of the other root, then ...

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  17. IF one root of ax ^2 +bx +c=0 is equal to nth power of the othe...

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  18. IF x,a,b,c are real and (x-a+b^2)+(x-b+c)^2=0 then a,b,c are in

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  19. IF the roots of (1) /(x +a) + (1)/(x +b)=(1)/(c ) are equal in ...

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  20. IF the roots of the equation (1)/(x+p) +(1)/(x+q) =(1)/(r ) are ...

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