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Question 43
You are given a question and two statements. Identify which of the statements is are sufficient to answer the question.
Question:
Find the value of n.
Statements:
I) if $$x^2 -nx +1=0$$
II) If the equation has solution as 'X=1'
Solution
$$x^2 -nx +1=0$$
Putting the values of x=1,
we get,
$$ 1^2-n\times1 +1 =0 $$
$$n=0$$
Both statements are required to find the value of n.
Option B is correct.
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