For equal roots in (2x^2-2(3k-1)x+(k+1)^2=0), what are the values of (k)?
Answer and explanation
Correct answer: (k=1) or (k=-3)
Here (D=4(3k-1)^2-8(k+1)^2). For equal roots, solve (D=0) directly and avoid mental shortcuts.
Frequently asked questions
What is the correct answer to this question?
(k=1) or (k=-3)
Why is this the correct answer?
Here (D=4(3k-1)^2-8(k+1)^2). For equal roots, solve (D=0) directly and avoid mental shortcuts.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Nature of Roots.
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