Question
Download Solution PDFIf x2 + kx + k = 0 has repeated roots, then the value of k will satisfy:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFrom the given equation, a = 1, b = k, c = k
For repeated roots, b2 – 4ac = 0
⇒ k2 – 4k = 0
⇒ k(k – 4) = 0
∴ k = 4 or k = 0.
Thus, the correct answer is option 3.
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