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P is resultant of a and b. q is resultant of a and minus b the value of p square + q square is equals to |
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Answer» Answer: 2a square + 2 B square Explanation: we know that resultant of vector is equal to under root of a square + b square + 2 a b COS THETA THEREFORE by using this p square is equal to a square + b square + 2 a b cos theta and square is equal to a square + b square MINUS 2 a b cos theta by adding both answer is 2 a square + 2 b square |
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