x2 - √3x + 1 = 0 হলে, x + 1/x এর মান নিচের কোনটি?
Solution
Correct Answer: Option D
দেওয়া আছে
x2 - √3x + 1 = 0
বা, x2 + 1 = √3x
বা, (x2/x) + (1/x) = √3x/x
∴ x + 1/x = √3
x2 - √3x + 1 = 0
বা, x2 + 1 = √3x
বা, (x2/x) + (1/x) = √3x/x
∴ x + 1/x = √3
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