1.

Consider the lines represented parametrically ass L _(1) x =1 - 2t, y = t, z =-1 + t , L _(2) x =4 + S, y = 5 + 4 S, z =-2 2-S. Let pi bet he plane containing the line L _(2) and parallel to line L _(1) The acute angle between the lines L _(1) and L _(2) is

Answer»

`5x + y + 9z - 7 =0`
`9x - 5y - Z - 13 =0`
`2x - 3Y - 4Z - 15 =0`
`5x - y + 9z + 3=0`

ANSWER :A


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