1.

The angle between the lines 3x + 2y + z = 0 = x + y – 2z and 2x – y – z = 0 = 7x + 10y – 8z is :

Answer»

The angle between the lines 3x + 2y + z = 0 = x + y – 2z and 2x – y – z = 0 = 7x + 10y – 8z is :



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