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If ax^2+bx+c=0 and cx^2+bx+a=0 (a,b,cinR...

If `ax^2+bx+c`=0 and `cx^2+bx+a`=0 `(a,b,cinR)` have a common non-real roots,then

A

`absbgtabsa`

B

`absbgtabsc`

C

a=+-c

D

a=c

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A, B, D
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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
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  2. Ifax^2-bx+c=0 has two distinct roots lying in the interval (0,1),a,b,c...

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  3. If ax^2+bx+c=0 and cx^2+bx+a=0 (a,b,cinR) have a common non-real roots...

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  4. LetP(x)=0 be the polynomial equation of least possible degree with rat...

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  5. If 2a+3b+6c=0(a,b,cinR), then the quadratic equation ax^2+bx+c=0 has

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  6. If (alpha,beta)∈ R are two of an quadratic equations,then the equation...

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  7. If a,binR are two of an quadratic equations,then the equation will be ...

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  8. Letf(x)=x^2+b1x+c1,g(x)=x^2+b2x+c2. Real roots fo f(x)=0 be alpha,beta...

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  9. Letf(x)=x^2+b1x+c1,g(x)=x^2+b2x+c2. Real roots fo f(x)=0 be alpha,beta...

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  10. match list i with list ii

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  11. match the equation on left with the properties on right

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  12. If the quadratic polynomial, y=(cot alpha)x^2+2(sqrtalpha)x+1/2tanalph...

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  13. If alpha,beta be the roots x^2+px-q=0 and gamma,delta be the roots of ...

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  14. The smallest value of k, for which both roots of the equation x^2-8kx+...

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  15. Let (x,y,z) be points with Integer coordinates satisfying the system o...

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  16. If roots of the equation x^2-10cx-11d=0 are a,b and those of x^2-10ax-...

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  17. If alpha,beta,gamma are such that alpha+beta+gamma=4, alpha^2+beta^2+g...

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  18. Find the values of the parameter a for which the roots of the quadrati...

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  19. Find the values of the parameter a for which the roots of the quadrati...

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  20. Find the values of the parameter a for which the roots of the quadrati...

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