Physics, asked by adityadhurwey34, 2 months ago

(3) A =i+j तथा B =i-5 के बीच कोण हैं

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Answered by prabhat311

Answer:

अगर θ दो वैक्टर के बीच का कोण 2i+j+7k तथा i+5j+k ... यदि वेक्टर i-j+k,2i+j-k,λi-j+λk तब coplanar हैं ... अगर a=2i+5j-7k, b=-3i+4j+k and c=i-2j-3k, गणना करना ...

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