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maths

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The position vector of the point A(3,4) relative to an origin O is a. (a) Express vector a or (OA) in terms of i and j. (b) Find the magnitude of a. (c) Find the unit vector in the direction of a.

  • maths - ,

    (a) 3i+4j
    (b) 5
    (c) 3/5 i + 4/5 j

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