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Minimum possible number of positive root...

Minimum possible number of positive root of the quadratic equation `x^2 -(1 +lambda)x+ lambda -2 =0 ` , `lambda in R`

A

2

B

0

C

1

D

can not be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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VIKAS GUPTA (BLACK BOOK)-QUADRATIC EQUATIONS -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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  11. The number of all values of n, (whre n is a whole number ) for which t...

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  12. The number of negative intergral values of m for which the expression ...

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

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  15. If (x^2- 3x + 2) is a factor of x^4-px^2+q=0, then the values of p...

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  18. Find the number of integral vaues of 'a' for which the range of functi...

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  19. When x ^(100) is divided by x ^(2) -3x +2, the remainder is (2 ^(k +1)...

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  20. Let p (x) be a polynomial equation of least possible degree, with rati...

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  21. The range of values k for which the equation 2 cos ^(4)x-sin ^(4)x +k=...

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