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পাশের চিত্রে কর্ণদ্বয় হচ্ছে \(AC=\hat{i}\) \(BD=\hat{j}\).
\(AB\) ভেক্টরের সঠিক রূপ কোনটি? mqphyvecimage
[ ঢাঃ ২০১৭ ]

\(\frac{(\hat{i}+\hat{j})}{4}\)
\(\frac{(\hat{i}-\hat{j})}{2}\)
\(\frac{(\hat{i}+\hat{j})}{2}\)
\(\frac{(\hat{j}+\hat{i})}{2}\)
উপরের কোনোটিই নয়

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Ans: \(\frac{(\hat{i}-\hat{j})}{2}\)
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