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Bishruta Bhowal

· started a discussion

· 1 Months ago

Bishruta (Question: 273458.0 )

Option C should be the answer

Question:

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

Options:
A)

1

B)

-12    

C)

4

D)

0

Solution:

Ans: (c)

 

Kailash Chauhan

· commented

· 1 Months ago

agree option c should be answer

Anuj Hatoneya

· commented

· 1 Months ago

*at k=0

Anuj Hatoneya

· commented

· 1 Months ago

yes. At x=0, both roots are negative.
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