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1.
- A.
- B.
- C.
- D.
Answer: Option D
Explanation:
Let, ক = x So, the equation is - 2x^2 - 16x + 8 = 0 x Or, x^2 - 8x + 4 = 0 x So, x = {8±√(64 - 16)}/2 [x = - b^2±√(b^2 - 4ca))}/2a] = 4±√48/2 x ক' এর সম্ভব্য মানগুলোর যোগফল = 4 + √48/2 + 4 - √48/2 = 8
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