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The value of m for which straight line `3x-2z+3=0=4x-3y+4z+1` is parallel to the plane `2x-y+mz-2=0` isA. `-2`B. `8`C. `-18`D. `11` |
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Answer» Correct Answer - A Vertor `((3hati-2hatj+hatk)xx(4hati-3hatj+4hatk))` is perpendicular to `2hati-hatj+mhatk` thus `|{:(3,-2,1),(4,-3,4),(2,-1,m):}|=0` or `m=-2` |
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