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The value of a for which the sum o...

The value of a for which the sum of the squares of the roots of the equation ` x^2 -(a-2)x-a-1=0` assume the least value is

A

0

B

1

C

2

D

3

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1B (QUADRATIC EXPRESSIONS)
  1. If alpha , beta are the roots of x^2 -(a-2) x- (a +1) =0 where...

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  2. IF the sum of the squares of the roots of the equation x^2 -...

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  3. The value of a for which the sum of the squares of the roots ...

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  4. IF the roots of the equation bx^2 + cx + a=0 be imaginary , t...

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  5. The smallest value of of the constant m gt 0 for which f(x) = 9mx - 1 ...

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  6. The real values of a for which y=sqrt(((x+1)(x-3))/(x-2)) tak...

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  7. IF x gt -c then the minimum value of (( a+x) (b +x))/( c+x) ...

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  8. IF x gt -c then the minimum value of (( a+x) (b +x))/( c+x) ...

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  9. For real x , the function ((x-a ) (x-b))/( x-c) will assume al...

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  10. The range of values of x which satisfy 5x + 2 lt 3x +8 and (...

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  11. The range of values of x for which the inequality (x-1) /( 4x ...

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  12. The values of x for which (x-1)/( 3x +4) lt (x-3)/( 3x-2) hold...

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  13. { x in R:(14x)/(x+1)-(9x-30)/(x-4)lt0} is equal to

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  14. IF the inequation sqrt(3x -8) lt -2 then

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  15. if the inequation sqrt(x+5 lt -x then

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  16. If the inequation sqrt( x^2 - 18 x+ 72 ) lt x -1 then

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  17. IF sqrt(9x^2 + 6x +1) lt (2-x) then

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  18. If the inequation sqrt((x+2)(x-5)) gt 8 -x then x lies in

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  19. If the inequation (sqrt(6+x-x^2 ))/( x+10) le sqrt((8-2x -x^2))/( 2...

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  20. if the inequation ( sqrt( 8-2x -x^2 ))/(x+10) le sqrt((8-2x -x ^2))...

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