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If the line -> r=\ ( hat i-2 hat j+ hat...

If the line ` -> r=\ ( hat i-2 hat j+ hat k)+lambda(2 hat i+ hat j+2 hat k)` is parallel to the plane ` -> r. dot ((3 hat i-2 hat j+m hat k)) =14` , find the value of `mdot`

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Find the angle between the line -> r=(2 hat i+3 hat j+9 hat k)+lambda(2 hat i+3 hat j+4 hat k) and the plane -> r(dot( hat i+ hat j+ hat k))=5.

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