A. 2
B. -2
C.
D.
বাংলাদেশ পাবলিক সার্ভিস কমিশনসাধারণ গণিতবীজগণিতীয় রাশিবীজগণিতীয় রাশি (Topic Practice)বাংলাদেশ পাবলিক সার্ভিস কমিশন - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
-2
Explanation:
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