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Let f(x)=ax^2+bx+c,b,cinR,aphi0, satisfy...

Let `f(x)=ax^2+bx+c,b,cinR,aphi0`, satisfying f(1)+f(2)

A

no real roots

B

1 and 2 as real roots

C

two equal roots

D

two distinct real roots

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The correct Answer is:
D
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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
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  15. For what values of KinR the expression 2x^2+Kxy+3y^2-5y-2 can be expre...

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  18. It is given that equation 4x^3-3x-p=0 has a unique root in the interva...

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  19. If 3^(x+2)-9^(-1//x)gt0, then the interval of x can be

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