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Mathematics, 29.04.2021 08:10 jrbskso

The position vector p and q of the point P and Q respectively are mutually perpendicular. If |p|=15 and |q|=8, show that |p+q|=|p-q|=17.

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The position vector p and q of the point P and Q respectively are mutually perpendicular. If |p|=15...
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