ভেক্টর রাশি-২

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আয়ত একক ভেক্টরের ক্ষেত্রে -
(i) \(\hat{i}.\hat{j}=\hat{i}.\hat{k}=\hat{k}.\hat{i}=0\)
(ii) \(\hat{i}.\hat{i}=\hat{j}.\hat{j}=\hat{k}.\hat{k}=1\)
(iii) \(\hat{i}\times{\hat{i}}=\hat{j}\times{\hat{j}}=\hat{k}\times{\hat{k}}=0\)
নিচের কোনটি সঠিক ?
[ দিঃ ২০১৫ ]

(i) ও (ii)
(i) ও (iii)
(ii) ও (iii)
(i), (ii) ও (iii)
উপরের কোনোটিই নয়

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Ans: (i), (ii) ও (iii)
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