Static Electricity -04- Coulomb Force Vector

A particle with a charge of 2 μC is at coordinates (1, 6) cm, and a particle with a charge of 4 μC is at coordinates (4, 2) cm. What is the column force experienced by the particle with a charge of 4 μC?
Coulomb's constant: k = 9x10⁹ N.m²/C²

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