যদি (x 2 - x + 2) / 2 = 4 হয়, তবে x = ?

A 2

B 3

C -3

D 4

Solution

Correct Answer: Option B

(x² - x + 2) / 2 = 4
⇒ x² - x + 2 = 4 × 2
⇒ x² - x + 2 = 8
⇒ x² - x + 2 - 8 = 0
⇒ x² - x - 6 = 0
⇒ x² - 3x + 2x - 6 = 0
⇒ (x - 3)(x + 2) = 0

∴ x এর দুটি সম্ভাব্য মান হল 3 এবং -2।

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