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If (2x^2-3x+1)(2x^2+5x+1)=9x^2,then equa...

If `(2x^2-3x+1)(2x^2+5x+1)=9x^2`,then equation has

A

four real roots

B

two real and two imaginary roots

C

all imaginary

D

none of the above

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The correct Answer is:
A
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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
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  2. If blt0, then the roots x1 and x2 of the equation 2x^2+6x+b=0, satisfy...

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  3. If (2x^2-3x+1)(2x^2+5x+1)=9x^2,then equation has

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  4. Ifalpha,beta are the roots of x^2+px+q=0 and also of x^(2n)+p^n x^n+q^...

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  5. If 3^x.8^(x/(x+2))=6, then x equals.

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  6. Value (s) of 'a' for which ax^2+(a-3)x+1lt0 for at least one positive ...

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  7. Number of solution of abs(x^2+4x+3) + 2x+5=0 is/are

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  8. If roots of x^2-(a-3)x+a=0 are such that both of them is greater than ...

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  9. solve the inequality(16)^(1//x)/((2^(x+3)))gt1

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  10. Let alpha,beta be the roots of the equation (x-a)(x-b)=c, c≠ 0. Then t...

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  11. If p and q are odd integers,then the equation x^2+2px+2q=0

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  12. If x^2+mx+1=0 and (b-c)x^2+(c-a)x+(a-b)=0 have both roots common,then

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  13. Solution set of x satisfying abs(x-1)+abs(x-2)+abs(x-3)ge6 is

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  14. The equation (x/(x+1))^2+(x/(x-1))^2=a(a-1) has

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  15. If alpha and beta are roots of the equation ax^2+bx+c=0 and, if px^2+q...

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  16. Ifax^2-bx+c=0 has two distinct roots lying in the interval (0,1),a,b,c...

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

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

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

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