a=2i^ + j^ + 3k^,  b= i^ + j^ + 2k^   c=i^ + 2j^ + k^  ভেক্টর তিনটি একই সমতলে অবস্থান করার শর্ত-

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