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If the line (x-2)/(6) = (y-1)/(lambda) =...

If the line `(x-2)/(6) = (y-1)/(lambda) = (z+5)/(-4)` is perpendicular to the straight line 3x - y - 2z = 7, then find the value of `lambda`

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UNITED BOOK HOUSE-SET 19-EXERCISE
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