202020জুল
444জুল
(8i^−j^−k^)(8 \hat{i}-\hat{j}-\hat{k})(8i^−j^−k^)জুল
(4i^+5j^+3k^)(4 \hat{i}+5 \hat{j}+3 \hat{k})(4i^+5j^+3k^)জুল