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y অক্ষের সমান্তরাল

2 i^{\land} + 3 j^{\land} - 4 k^{\land}

(4 j^{\land} + 3 k^{\land}) / 5

(3 j^{\land} - 4 k^{\land}) / 5

(2 i^{\land} + 3 j^{\land} / \sqrt{3}

(3 i^{\land} + 2 j^{\land}) / \sqrt{3}

ANS : 1

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