1.

Find the direction cosines of the two lines which are connected by the relations l-5m+3n=0,7l^(2)+5m^(2)-3n^(2)=0

Answer»


ANSWER :`((-1)/(sqrt(6)),(1)/(sqrt(6)),(2)/(sqrt(6))),((1)/(sqrt(14)),(2)/(sqrt(14)),(3)/(sqrt(14)))`


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