1.

If the lines 1−x3=7y−142p=z−32 and 7−7x3p=y−x1=6−z5= and are at right angle, then the value of is

Answer»

If the lines 1x3=7y142p=z32 and 77x3p=yx1=6z5= and are at right angle, then the value of is




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