Knowledge expert (Question: 273458.0 )

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SUI GENERIS

· started a discussion

· 1 Months ago

Knowledge expert (Question: 273458.0 )

Hello! Team Toprankers, let the solution go, by only putting all 4 values of k we get the positive value of X only in option C, that is X=3 (for k=4).
Then how the hell k=0 be the answer, while it gives us X=-1?
How RIDICULOUS!!!
& you say "keep learning with us"
Is this to be learnt?

Question:

For what minimum of k, x² – 2(k – 1)x + (2k + 1) = 0 has positive roots.

Options:

$- \frac{1}{2}$

Solution:

Ans: (c)

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