Processing math: 30%

যদি ˉa=ˆi+2ˆj-3ˆk এবং ˉb=^3i-+2ˆk হয়, তবেˉa+ˉb এবং ˉa-ˉb এর মধ্যবর্তী কোণের মান হবে-

Created: 3 years ago | Updated: 2 years ago
Updated: 2 years ago
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