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যে শর্তে a1ˆi+a2ˆj+a3ˆk এবং b1ˆi+b2ˆj+b3ˆk ভেক্টর দুটি লম্ব হবে তা নির্ণয় কর।

Created: 3 years ago | Updated: 3 years ago
Updated: 3 years ago
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