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The condition that the roots of the ...

The condition that the roots of the equation `ax^2+bx+c=0` may differ by 5 is

A

`b^2 -25a^2 =4ac`

B

`b^2 -5a^2 =4ac`

C

`b^2 +15 a^2 =4ac`

D

none

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A
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
  1. The value of m for which one of the roots of x^2-3x+2m=0 is doub...

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  2. IF the difference of the roots of x^2-bx+c=0 is equal to the dif...

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  3. The condition that the roots of the equation ax^2+bx+c=0 may diffe...

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  4. The condition that sin theta cos theta may be the roots o...

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  5. If sin alpha and cos alpha are the roots of 25 x ^2 +5x-12=0, t...

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  6. IF tan A and tan B are the roots of the quadratic x^2 -px+q=0...

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

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

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

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

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

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

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  14. IF (1)/(x) +(1)/(x+a) =(1)/(m)+(1)/(m+a) has roots equal in magnit...

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  15. IF the roots of a^2x^2-abx +c=0 are consecutive integers , then ...

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  16. If r is the ratio of the roots of ax ^2 + bx +C=0 then ((r +1)^2)...

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  17. IF the roots of ax^2 +bx +c=0 are of the form (m+1)/(m ) ,(m+2)/...

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  18. IF (a alpha + b )^(-2)+ ( abeta + b)^(-2) =1 , where alpha , b...

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  19. IF the equation x^2 +2(k+1)x+9k-5=0 has only negative roots , th...

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

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