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[" सदिशों "vec a=2hat i+3hat j-hat k" और...

[" सदिशों "vec a=2hat i+3hat j-hat k" और "vec b=hat i-2hat j+hat k" के परिणामी के समांतर एक ऐसा सी "],[" ज्ञात कीजिए जिसका परिमाण "5" इकाई है। "]

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