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The values of parameter a for which the ...

The values of parameter `a` for which the point of minimum of the function `f(x)=1+a^2x-x^3` satisfies the inequality `(x^2+x+2)/(x^2+5x+6)<0a r e` `(2sqrt(3),3sqrt(3))` (b) `-3sqrt(3),-2sqrt(3))` `(-2sqrt(3),3sqrt(3))` (d) `(-2sqrt(2),2sqrt(3))`

A

`(-3sqrt3,oo)`

B

`(-3sqrt3,-2sqrt3)cup(0,oo)`

C

`(-3sqrt3,-2sqrt3)cup(2sqrt3,3sqrt3)`

D

`(0,oo)`

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ARIHANT MATHS-MONOTONICITY MAXIMA AND MINIMA-Exercise (Questions Asked In Previous 13 Years Exam)
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  13. If f(x)=x^(3)+bx^(2)+cx+dand 0 ltb^(2)ltc, then in (-oo,oo)

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  14. If f(x)=x^(2)+2bx+2c^(2)and g(x)=-x^(2)-2cx+b^(2), such that minf(x)gt...

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  18. If f(x) = {{:(e ^(x),,"," 0 le x lt 1 ,, ""), (2- e^(x - 1),,"," 1 lt ...

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  19. If f(x) is a cubic polynomil which as local maximum at x=-1 . If f(2)=...

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  20. Consider the function f:(-oo, oo) -> (-oo ,oo) defined by f(x) =(x^2...

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  21. Consider the function f:(-oo, oo) -> (-oo ,oo) defined by f(x) =(x^2...

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