Answer: C. \(\dfrac{1}{2}\)
Answer: (C) \(\dfrac{1}{2}\)
Substitute \(x = 2\) in \(x^2 + mx - 5 = 0\):
\(4 + 2m - 5 = 0 \Rightarrow 2m - 1 = 0 \Rightarrow m = \dfrac{1}{2}\).
Best answer
Answer: C. \(\dfrac{1}{2}\)
Answer: (C) \(\dfrac{1}{2}\)
Substitute \(x = 2\) in \(x^2 + mx - 5 = 0\):
\(4 + 2m - 5 = 0 \Rightarrow 2m - 1 = 0 \Rightarrow m = \dfrac{1}{2}\).
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