x2−4x+1=0 হলে x÷(x2−3x+1) এর মান কত?

B 1

C 2

D 4

Solution

Correct Answer: Option B

 x² - 4x + 1 = 0
∴ x² + 1 = 4x

এখন,
x/(x² - 3x + 1)
⇒ x/(x² + 1 - 3x)
⇒ x/(4x - 3x)
∴ x/x = 1

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